diff --git a/modules/juce_audio_basics/buffers/juce_AudioDataConverters.cpp b/modules/juce_audio_basics/buffers/juce_AudioDataConverters.cpp
index 2f751c5c19..b54c587820 100644
--- a/modules/juce_audio_basics/buffers/juce_AudioDataConverters.cpp
+++ b/modules/juce_audio_basics/buffers/juce_AudioDataConverters.cpp
@@ -32,7 +32,7 @@ void AudioDataConverters::convertFloatToInt16LE (const float* source, void* dest
     {
         for (int i = 0; i < numSamples; ++i)
         {
-            *reinterpret_cast<uint16*> (intData) = ByteOrder::swapIfBigEndian ((uint16) (short) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
+            *unalignedPointerCast<uint16*> (intData) = ByteOrder::swapIfBigEndian ((uint16) (short) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
             intData += destBytesPerSample;
         }
     }
@@ -43,7 +43,7 @@ void AudioDataConverters::convertFloatToInt16LE (const float* source, void* dest
         for (int i = numSamples; --i >= 0;)
         {
             intData -= destBytesPerSample;
-            *reinterpret_cast<uint16*> (intData) = ByteOrder::swapIfBigEndian ((uint16) (short) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
+            *unalignedPointerCast<uint16*> (intData) = ByteOrder::swapIfBigEndian ((uint16) (short) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
         }
     }
 }
@@ -57,7 +57,7 @@ void AudioDataConverters::convertFloatToInt16BE (const float* source, void* dest
     {
         for (int i = 0; i < numSamples; ++i)
         {
-            *reinterpret_cast<uint16*> (intData) = ByteOrder::swapIfLittleEndian ((uint16) (short) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
+            *unalignedPointerCast<uint16*> (intData) = ByteOrder::swapIfLittleEndian ((uint16) (short) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
             intData += destBytesPerSample;
         }
     }
@@ -68,7 +68,7 @@ void AudioDataConverters::convertFloatToInt16BE (const float* source, void* dest
         for (int i = numSamples; --i >= 0;)
         {
             intData -= destBytesPerSample;
-            *reinterpret_cast<uint16*> (intData) = ByteOrder::swapIfLittleEndian ((uint16) (short) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
+            *unalignedPointerCast<uint16*> (intData) = ByteOrder::swapIfLittleEndian ((uint16) (short) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
         }
     }
 }
@@ -132,7 +132,7 @@ void AudioDataConverters::convertFloatToInt32LE (const float* source, void* dest
     {
         for (int i = 0; i < numSamples; ++i)
         {
-            *reinterpret_cast<uint32*> (intData) = ByteOrder::swapIfBigEndian ((uint32) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
+            *unalignedPointerCast<uint32*> (intData) = ByteOrder::swapIfBigEndian ((uint32) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
             intData += destBytesPerSample;
         }
     }
@@ -143,7 +143,7 @@ void AudioDataConverters::convertFloatToInt32LE (const float* source, void* dest
         for (int i = numSamples; --i >= 0;)
         {
             intData -= destBytesPerSample;
-            *reinterpret_cast<uint32*> (intData) = ByteOrder::swapIfBigEndian ((uint32) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
+            *unalignedPointerCast<uint32*> (intData) = ByteOrder::swapIfBigEndian ((uint32) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
         }
     }
 }
@@ -157,7 +157,7 @@ void AudioDataConverters::convertFloatToInt32BE (const float* source, void* dest
     {
         for (int i = 0; i < numSamples; ++i)
         {
-            *reinterpret_cast<uint32*> (intData) = ByteOrder::swapIfLittleEndian ((uint32) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
+            *unalignedPointerCast<uint32*> (intData) = ByteOrder::swapIfLittleEndian ((uint32) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
             intData += destBytesPerSample;
         }
     }
@@ -168,7 +168,7 @@ void AudioDataConverters::convertFloatToInt32BE (const float* source, void* dest
         for (int i = numSamples; --i >= 0;)
         {
             intData -= destBytesPerSample;
-            *reinterpret_cast<uint32*> (intData) = ByteOrder::swapIfLittleEndian ((uint32) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
+            *unalignedPointerCast<uint32*> (intData) = ByteOrder::swapIfLittleEndian ((uint32) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
         }
     }
 }
@@ -181,10 +181,10 @@ void AudioDataConverters::convertFloatToFloat32LE (const float* source, void* de
 
     for (int i = 0; i < numSamples; ++i)
     {
-        *reinterpret_cast<float*> (d) = source[i];
+        *unalignedPointerCast<float*> (d) = source[i];
 
        #if JUCE_BIG_ENDIAN
-        *reinterpret_cast<uint32*> (d) = ByteOrder::swap (*reinterpret_cast<uint32*> (d));
+        *unalignedPointerCast<uint32*> (d) = ByteOrder::swap (*unalignedPointerCast<uint32*> (d));
        #endif
 
         d += destBytesPerSample;
@@ -199,10 +199,10 @@ void AudioDataConverters::convertFloatToFloat32BE (const float* source, void* de
 
     for (int i = 0; i < numSamples; ++i)
     {
-        *reinterpret_cast<float*> (d) = source[i];
+        *unalignedPointerCast<float*> (d) = source[i];
 
        #if JUCE_LITTLE_ENDIAN
-        *reinterpret_cast<uint32*> (d) = ByteOrder::swap (*reinterpret_cast<uint32*> (d));
+        *unalignedPointerCast<uint32*> (d) = ByteOrder::swap (*unalignedPointerCast<uint32*> (d));
        #endif
 
         d += destBytesPerSample;
@@ -219,7 +219,7 @@ void AudioDataConverters::convertInt16LEToFloat (const void* source, float* dest
     {
         for (int i = 0; i < numSamples; ++i)
         {
-            dest[i] = scale * (short) ByteOrder::swapIfBigEndian (*reinterpret_cast<const uint16*> (intData));
+            dest[i] = scale * (short) ByteOrder::swapIfBigEndian (*unalignedPointerCast<const uint16*> (intData));
             intData += srcBytesPerSample;
         }
     }
@@ -230,7 +230,7 @@ void AudioDataConverters::convertInt16LEToFloat (const void* source, float* dest
         for (int i = numSamples; --i >= 0;)
         {
             intData -= srcBytesPerSample;
-            dest[i] = scale * (short) ByteOrder::swapIfBigEndian (*reinterpret_cast<const uint16*> (intData));
+            dest[i] = scale * (short) ByteOrder::swapIfBigEndian (*unalignedPointerCast<const uint16*> (intData));
         }
     }
 }
@@ -244,7 +244,7 @@ void AudioDataConverters::convertInt16BEToFloat (const void* source, float* dest
     {
         for (int i = 0; i < numSamples; ++i)
         {
-            dest[i] = scale * (short) ByteOrder::swapIfLittleEndian (*reinterpret_cast<const uint16*> (intData));
+            dest[i] = scale * (short) ByteOrder::swapIfLittleEndian (*unalignedPointerCast<const uint16*> (intData));
             intData += srcBytesPerSample;
         }
     }
@@ -255,7 +255,7 @@ void AudioDataConverters::convertInt16BEToFloat (const void* source, float* dest
         for (int i = numSamples; --i >= 0;)
         {
             intData -= srcBytesPerSample;
-            dest[i] = scale * (short) ByteOrder::swapIfLittleEndian (*reinterpret_cast<const uint16*> (intData));
+            dest[i] = scale * (short) ByteOrder::swapIfLittleEndian (*unalignedPointerCast<const uint16*> (intData));
         }
     }
 }
@@ -319,7 +319,7 @@ void AudioDataConverters::convertInt32LEToFloat (const void* source, float* dest
     {
         for (int i = 0; i < numSamples; ++i)
         {
-            dest[i] = scale * (float) ByteOrder::swapIfBigEndian (*reinterpret_cast<const uint32*> (intData));
+            dest[i] = scale * (float) ByteOrder::swapIfBigEndian (*unalignedPointerCast<const uint32*> (intData));
             intData += srcBytesPerSample;
         }
     }
@@ -330,7 +330,7 @@ void AudioDataConverters::convertInt32LEToFloat (const void* source, float* dest
         for (int i = numSamples; --i >= 0;)
         {
             intData -= srcBytesPerSample;
-            dest[i] = scale * (float) ByteOrder::swapIfBigEndian (*reinterpret_cast<const uint32*> (intData));
+            dest[i] = scale * (float) ByteOrder::swapIfBigEndian (*unalignedPointerCast<const uint32*> (intData));
         }
     }
 }
@@ -344,7 +344,7 @@ void AudioDataConverters::convertInt32BEToFloat (const void* source, float* dest
     {
         for (int i = 0; i < numSamples; ++i)
         {
-            dest[i] = scale * (float) ByteOrder::swapIfLittleEndian (*reinterpret_cast<const uint32*> (intData));
+            dest[i] = scale * (float) ByteOrder::swapIfLittleEndian (*unalignedPointerCast<const uint32*> (intData));
             intData += srcBytesPerSample;
         }
     }
@@ -355,7 +355,7 @@ void AudioDataConverters::convertInt32BEToFloat (const void* source, float* dest
         for (int i = numSamples; --i >= 0;)
         {
             intData -= srcBytesPerSample;
-            dest[i] = scale * (float) ByteOrder::swapIfLittleEndian (*reinterpret_cast<const uint32*> (intData));
+            dest[i] = scale * (float) ByteOrder::swapIfLittleEndian (*unalignedPointerCast<const uint32*> (intData));
         }
     }
 }
@@ -366,10 +366,10 @@ void AudioDataConverters::convertFloat32LEToFloat (const void* source, float* de
 
     for (int i = 0; i < numSamples; ++i)
     {
-        dest[i] = *reinterpret_cast<const float*> (s);
+        dest[i] = *unalignedPointerCast<const float*> (s);
 
        #if JUCE_BIG_ENDIAN
-        auto d = reinterpret_cast<uint32*> (dest + i);
+        auto d = unalignedPointerCast<uint32*> (dest + i);
         *d = ByteOrder::swap (*d);
        #endif
 
@@ -383,10 +383,10 @@ void AudioDataConverters::convertFloat32BEToFloat (const void* source, float* de
 
     for (int i = 0; i < numSamples; ++i)
     {
-        dest[i] = *reinterpret_cast<const float*> (s);
+        dest[i] = *unalignedPointerCast<const float*> (s);
 
        #if JUCE_LITTLE_ENDIAN
-        auto d = reinterpret_cast<uint32*> (dest + i);
+        auto d = unalignedPointerCast<uint32*> (dest + i);
         *d = ByteOrder::swap (*d);
        #endif
 
diff --git a/modules/juce_audio_basics/buffers/juce_AudioSampleBuffer.h b/modules/juce_audio_basics/buffers/juce_AudioSampleBuffer.h
index 4f4161bcfe..acd165ff01 100644
--- a/modules/juce_audio_basics/buffers/juce_AudioSampleBuffer.h
+++ b/modules/juce_audio_basics/buffers/juce_AudioSampleBuffer.h
@@ -404,8 +404,8 @@ public:
 
                     auto numSamplesToCopy = (size_t) jmin (newNumSamples, size);
 
-                    auto newChannels = reinterpret_cast<Type**> (newData.get());
-                    auto newChan     = reinterpret_cast<Type*> (newData + channelListSize);
+                    auto newChannels = unalignedPointerCast<Type**> (newData.get());
+                    auto newChan     = unalignedPointerCast<Type*> (newData + channelListSize);
 
                     for (int j = 0; j < newNumChannels; ++j)
                     {
@@ -437,10 +437,10 @@ public:
                 {
                     allocatedBytes = newTotalBytes;
                     allocatedData.allocate (newTotalBytes, clearExtraSpace || isClear);
-                    channels = reinterpret_cast<Type**> (allocatedData.get());
+                    channels = unalignedPointerCast<Type**> (allocatedData.get());
                 }
 
-                auto* chan = reinterpret_cast<Type*> (allocatedData + channelListSize);
+                auto* chan = unalignedPointerCast<Type*> (allocatedData + channelListSize);
 
                 for (int i = 0; i < newNumChannels; ++i)
                 {
@@ -1137,8 +1137,8 @@ private:
 
         allocatedBytes = (size_t) numChannels * (size_t) size * sizeof (Type) + channelListSize + 32;
         allocatedData.malloc (allocatedBytes);
-        channels = reinterpret_cast<Type**> (allocatedData.get());
-        auto chan = reinterpret_cast<Type*> (allocatedData + channelListSize);
+        channels = unalignedPointerCast<Type**> (allocatedData.get());
+        auto chan = unalignedPointerCast<Type*> (allocatedData + channelListSize);
 
         for (int i = 0; i < numChannels; ++i)
         {
@@ -1162,7 +1162,7 @@ private:
         else
         {
             allocatedData.malloc (numChannels + 1, sizeof (Type*));
-            channels = reinterpret_cast<Type**> (allocatedData.get());
+            channels = unalignedPointerCast<Type**> (allocatedData.get());
         }
 
         for (int i = 0; i < numChannels; ++i)
diff --git a/modules/juce_audio_formats/codecs/juce_OggVorbisAudioFormat.cpp b/modules/juce_audio_formats/codecs/juce_OggVorbisAudioFormat.cpp
index d103dba285..5649ccd5de 100644
--- a/modules/juce_audio_formats/codecs/juce_OggVorbisAudioFormat.cpp
+++ b/modules/juce_audio_formats/codecs/juce_OggVorbisAudioFormat.cpp
@@ -48,7 +48,8 @@ namespace OggVorbisNamespace
                                       "-Wswitch-default",
                                       "-Wredundant-decls",
                                       "-Wmisleading-indentation",
-                                      "-Wmissing-prototypes")
+                                      "-Wmissing-prototypes",
+                                      "-Wcast-align")
 
  #include "oggvorbis/vorbisenc.h"
  #include "oggvorbis/codec.h"
diff --git a/modules/juce_audio_processors/format_types/juce_VST3Headers.h b/modules/juce_audio_processors/format_types/juce_VST3Headers.h
index 2fd842e295..b9615db4cd 100644
--- a/modules/juce_audio_processors/format_types/juce_VST3Headers.h
+++ b/modules/juce_audio_processors/format_types/juce_VST3Headers.h
@@ -56,7 +56,8 @@ JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wnon-virtual-dtor",
                                      "-Wpedantic",
                                      "-Wextra",
                                      "-Wclass-memaccess",
-                                     "-Wmissing-prototypes")
+                                     "-Wmissing-prototypes",
+                                     "-Wtype-limits")
 
 #undef DEVELOPMENT
 #define DEVELOPMENT 0  // This avoids a Clang warning in Steinberg code about unused values
diff --git a/modules/juce_core/containers/juce_Variant.cpp b/modules/juce_core/containers/juce_Variant.cpp
index 72fbcdaa90..6e92b955bf 100644
--- a/modules/juce_core/containers/juce_Variant.cpp
+++ b/modules/juce_core/containers/juce_Variant.cpp
@@ -257,8 +257,8 @@ public:
     }
 
 private:
-    static const String* getString (const ValueUnion& data) noexcept { return reinterpret_cast<const String*> (data.stringValue); }
-    static String* getString (ValueUnion& data) noexcept             { return reinterpret_cast<String*> (data.stringValue); }
+    static const String* getString (const ValueUnion& data) noexcept { return unalignedPointerCast<const String*> (data.stringValue); }
+    static String* getString (ValueUnion& data) noexcept             { return unalignedPointerCast<String*> (data.stringValue); }
 };
 
 //==============================================================================
diff --git a/modules/juce_core/memory/juce_Memory.h b/modules/juce_core/memory/juce_Memory.h
index c19b9d5315..03c0de3ceb 100644
--- a/modules/juce_core/memory/juce_Memory.h
+++ b/modules/juce_core/memory/juce_Memory.h
@@ -39,13 +39,6 @@ inline void zerostruct (Type& structure) noexcept                   { memset ((v
 template <typename Type>
 inline void deleteAndZero (Type& pointer)                           { delete pointer; pointer = nullptr; }
 
-/** A handy function which adds a number of bytes to any type of pointer and returns the result.
-    This can be useful to avoid casting pointers to a char* and back when you want to move them by
-    a specific number of bytes,
-*/
-template <typename Type, typename IntegerType>
-inline Type* addBytesToPointer (Type* basePointer, IntegerType bytes) noexcept  { return reinterpret_cast<Type*> (const_cast<char*> (reinterpret_cast<const char*> (basePointer)) + bytes); }
-
 /** A handy function to round up a pointer to the nearest multiple of a given number of bytes.
     alignmentBytes must be a power of two. */
 template <typename Type, typename IntegerType>
@@ -83,6 +76,53 @@ inline void writeUnaligned (void* dstPtr, Type value) noexcept
     memcpy (dstPtr, &value, sizeof (Type));
 }
 
+//==============================================================================
+/** Casts a pointer to another type via `void*`, which suppresses the cast-align
+    warning which sometimes arises when casting pointers to types with different
+    alignment.
+    You should only use this when you know for a fact that the input pointer points
+    to a region that has suitable alignment for `Type`, e.g. regions returned from
+    malloc/calloc that should be suitable for any non-over-aligned type.
+*/
+template <typename Type, typename std::enable_if<std::is_pointer<Type>::value, int>::type = 0>
+inline Type unalignedPointerCast (void* ptr) noexcept
+{
+    return reinterpret_cast<Type> (ptr);
+}
+
+/** Casts a pointer to another type via `void*`, which suppresses the cast-align
+    warning which sometimes arises when casting pointers to types with different
+    alignment.
+    You should only use this when you know for a fact that the input pointer points
+    to a region that has suitable alignment for `Type`, e.g. regions returned from
+    malloc/calloc that should be suitable for any non-over-aligned type.
+*/
+template <typename Type, typename std::enable_if<std::is_pointer<Type>::value, int>::type = 0>
+inline Type unalignedPointerCast (const void* ptr) noexcept
+{
+    return reinterpret_cast<Type> (ptr);
+}
+
+/** A handy function which adds a number of bytes to any type of pointer and returns the result.
+    This can be useful to avoid casting pointers to a char* and back when you want to move them by
+    a specific number of bytes,
+*/
+template <typename Type, typename IntegerType>
+inline Type* addBytesToPointer (Type* basePointer, IntegerType bytes) noexcept
+{
+    return unalignedPointerCast<Type*> (reinterpret_cast<char*> (basePointer) + bytes);
+}
+
+/** A handy function which adds a number of bytes to any type of pointer and returns the result.
+    This can be useful to avoid casting pointers to a char* and back when you want to move them by
+    a specific number of bytes,
+*/
+template <typename Type, typename IntegerType>
+inline const Type* addBytesToPointer (const Type* basePointer, IntegerType bytes) noexcept
+{
+    return unalignedPointerCast<const Type*> (reinterpret_cast<const char*> (basePointer) + bytes);
+}
+
 //==============================================================================
 #if JUCE_MAC || JUCE_IOS || DOXYGEN
 
diff --git a/modules/juce_core/native/juce_posix_IPAddress.h b/modules/juce_core/native/juce_posix_IPAddress.h
index b6f3432aa5..41c83cd374 100644
--- a/modules/juce_core/native/juce_posix_IPAddress.h
+++ b/modules/juce_core/native/juce_posix_IPAddress.h
@@ -71,8 +71,8 @@ namespace
         {
             if (ifa->ifa_addr->sa_family == AF_INET)
             {
-                auto interfaceAddressInfo = reinterpret_cast<sockaddr_in*> (ifa->ifa_addr);
-                auto broadcastAddressInfo = reinterpret_cast<sockaddr_in*> (ifa->ifa_dstaddr);
+                auto interfaceAddressInfo = unalignedPointerCast<sockaddr_in*> (ifa->ifa_addr);
+                auto broadcastAddressInfo = unalignedPointerCast<sockaddr_in*> (ifa->ifa_dstaddr);
 
                 if (interfaceAddressInfo->sin_addr.s_addr != INADDR_NONE)
                 {
@@ -83,8 +83,8 @@ namespace
             }
             else if (ifa->ifa_addr->sa_family == AF_INET6)
             {
-                interfaceInfo.interfaceAddress = makeAddress (reinterpret_cast<sockaddr_in6*> (ifa->ifa_addr));
-                interfaceInfo.broadcastAddress = makeAddress (reinterpret_cast<sockaddr_in6*> (ifa->ifa_dstaddr));
+                interfaceInfo.interfaceAddress = makeAddress (unalignedPointerCast<sockaddr_in6*> (ifa->ifa_addr));
+                interfaceInfo.broadcastAddress = makeAddress (unalignedPointerCast<sockaddr_in6*> (ifa->ifa_dstaddr));
                 return true;
             }
         }
diff --git a/modules/juce_core/text/juce_String.cpp b/modules/juce_core/text/juce_String.cpp
index bb1795be2b..a685e6a611 100644
--- a/modules/juce_core/text/juce_String.cpp
+++ b/modules/juce_core/text/juce_String.cpp
@@ -68,7 +68,7 @@ public:
     static CharPointerType createUninitialisedBytes (size_t numBytes)
     {
         numBytes = (numBytes + 3) & ~(size_t) 3;
-        auto s = reinterpret_cast<StringHolder*> (new char [sizeof (StringHolder) - sizeof (CharType) + numBytes]);
+        auto s = unalignedPointerCast<StringHolder*> (new char [sizeof (StringHolder) - sizeof (CharType) + numBytes]);
         s->refCount.value = 0;
         s->allocatedNumBytes = numBytes;
         return CharPointerType (s->text);
@@ -210,7 +210,7 @@ private:
     static StringHolder* bufferFromText (const CharPointerType text) noexcept
     {
         // (Can't use offsetof() here because of warnings about this not being a POD)
-        return reinterpret_cast<StringHolder*> (reinterpret_cast<char*> (text.getAddress())
+        return unalignedPointerCast<StringHolder*> (reinterpret_cast<char*> (text.getAddress())
                     - (reinterpret_cast<size_t> (reinterpret_cast<StringHolder*> (128)->text) - 128));
     }
 
@@ -1991,7 +1991,7 @@ String String::createStringFromData (const void* const unknownData, int size)
 
         StringCreationHelper builder ((size_t) numChars);
 
-        auto src = reinterpret_cast<const uint16*> (data + 2);
+        auto src = unalignedPointerCast<const uint16*> (data + 2);
 
         if (CharPointer_UTF16::isByteOrderMarkBigEndian (data))
         {
@@ -2061,19 +2061,19 @@ struct StringEncodingConverter
 template <>
 struct StringEncodingConverter<CharPointer_UTF8, CharPointer_UTF8>
 {
-    static CharPointer_UTF8 convert (const String& source) noexcept   { return CharPointer_UTF8 (reinterpret_cast<CharPointer_UTF8::CharType*> (source.getCharPointer().getAddress())); }
+    static CharPointer_UTF8 convert (const String& source) noexcept   { return CharPointer_UTF8 (unalignedPointerCast<CharPointer_UTF8::CharType*> (source.getCharPointer().getAddress())); }
 };
 
 template <>
 struct StringEncodingConverter<CharPointer_UTF16, CharPointer_UTF16>
 {
-    static CharPointer_UTF16 convert (const String& source) noexcept  { return CharPointer_UTF16 (reinterpret_cast<CharPointer_UTF16::CharType*> (source.getCharPointer().getAddress())); }
+    static CharPointer_UTF16 convert (const String& source) noexcept  { return CharPointer_UTF16 (unalignedPointerCast<CharPointer_UTF16::CharType*> (source.getCharPointer().getAddress())); }
 };
 
 template <>
 struct StringEncodingConverter<CharPointer_UTF32, CharPointer_UTF32>
 {
-    static CharPointer_UTF32 convert (const String& source) noexcept  { return CharPointer_UTF32 (reinterpret_cast<CharPointer_UTF32::CharType*> (source.getCharPointer().getAddress())); }
+    static CharPointer_UTF32 convert (const String& source) noexcept  { return CharPointer_UTF32 (unalignedPointerCast<CharPointer_UTF32::CharType*> (source.getCharPointer().getAddress())); }
 };
 
 CharPointer_UTF8  String::toUTF8()  const { return StringEncodingConverter<CharPointerType, CharPointer_UTF8 >::convert (*this); }
diff --git a/modules/juce_dsp/containers/juce_AudioBlock.h b/modules/juce_dsp/containers/juce_AudioBlock.h
index a83e5a3c06..35cdaa1597 100644
--- a/modules/juce_dsp/containers/juce_AudioBlock.h
+++ b/modules/juce_dsp/containers/juce_AudioBlock.h
@@ -124,10 +124,10 @@ public:
 
         heapBlockToUseForAllocation.malloc (channelListBytes + extraBytes + channelSize * numberOfChannels);
 
-        auto* chanArray = reinterpret_cast<SampleType**> (heapBlockToUseForAllocation.getData());
+        auto* chanArray = unalignedPointerCast<SampleType**> (heapBlockToUseForAllocation.getData());
         channels = chanArray;
 
-        auto* data = reinterpret_cast<SampleType*> (addBytesToPointer (chanArray, channelListBytes));
+        auto* data = unalignedPointerCast<SampleType*> (addBytesToPointer (chanArray, channelListBytes));
         data = snapPointerToAlignment (data, alignmentInBytes);
 
         for (ChannelCountType i = 0; i < numChannels; ++i)
diff --git a/modules/juce_dsp/frequency/juce_FFT.cpp b/modules/juce_dsp/frequency/juce_FFT.cpp
index ec7c91a468..3d0c608ac4 100644
--- a/modules/juce_dsp/frequency/juce_FFT.cpp
+++ b/modules/juce_dsp/frequency/juce_FFT.cpp
@@ -140,7 +140,7 @@ struct FFTFallback  : public FFT::Instance
         else
         {
             HeapBlock<char> heapSpace (scratchSize);
-            performRealOnlyForwardTransform (reinterpret_cast<Complex<float>*> (heapSpace.getData()), d);
+            performRealOnlyForwardTransform (unalignedPointerCast<Complex<float>*> (heapSpace.getData()), d);
         }
     }
 
@@ -158,7 +158,7 @@ struct FFTFallback  : public FFT::Instance
         else
         {
             HeapBlock<char> heapSpace (scratchSize);
-            performRealOnlyInverseTransform (reinterpret_cast<Complex<float>*> (heapSpace.getData()), d);
+            performRealOnlyInverseTransform (unalignedPointerCast<Complex<float>*> (heapSpace.getData()), d);
         }
     }
 
diff --git a/modules/juce_gui_basics/native/x11/juce_linux_XWindowSystem.cpp b/modules/juce_gui_basics/native/x11/juce_linux_XWindowSystem.cpp
index e7297ec7d4..917fc747b8 100644
--- a/modules/juce_gui_basics/native/x11/juce_linux_XWindowSystem.cpp
+++ b/modules/juce_gui_basics/native/x11/juce_linux_XWindowSystem.cpp
@@ -1165,7 +1165,7 @@ namespace ClipboardHelpers
                 numDataItems = 2;
                 propertyFormat = 32; // atoms are 32-bit
                 data.calloc (numDataItems * 4);
-                Atom* atoms = reinterpret_cast<Atom*> (data.getData());
+                Atom* atoms = unalignedPointerCast<Atom*> (data.getData());
                 atoms[0] = XWindowSystem::getInstance()->getAtoms().utf8String;
                 atoms[1] = XA_STRING;
 
@@ -1224,7 +1224,7 @@ ComponentPeer* getPeerFor (::Window windowH)
         X11Symbols::getInstance()->xFindContext (display, (XID) windowH, windowHandleXContext, &peer);
     }
 
-    return reinterpret_cast<ComponentPeer*> (peer);
+    return unalignedPointerCast<ComponentPeer*> (peer);
 }
 
 //==============================================================================
@@ -2998,7 +2998,7 @@ void XWindowSystem::handleKeyPressEvent (LinuxComponentPeer<::Window>* peer, XKe
                 if (sym >= XK_F1 && sym <= XK_F35)
                 {
                     keyPressed = true;
-                    keyCode = (sym & 0xff) | Keys::extendedKeyModifier;
+                    keyCode = static_cast<int> ((sym & 0xff) | Keys::extendedKeyModifier);
                 }
                 break;
         }