Test builds with LTO enabled

Signed-off-by: falkTX <falktx@falktx.com>

.github/workflows/build.yml

@@ -22,7 +22,7 @@ jobs:
       - name: make features
         run: make features
       - name: make
-        run: make -j $(sysctl -n hw.logicalcpu)
+        run: make WITH_LTO=true -j $(sysctl -n hw.logicalcpu)
 
   msys2-i686:
     runs-on: windows-latest
@@ -38,7 +38,7 @@ jobs:
       - name: make features
         run: make features
       - name: make
-        run: make -j $(nproc)
+        run: make WITH_LTO=true -j $(nproc)
 
   msys2-x86_64:
     runs-on: windows-latest
@@ -54,7 +54,7 @@ jobs:
       - name: make features
         run: make features
       - name: make
-        run: make -j $(nproc)
+        run: make WITH_LTO=true -j $(nproc)
 
   ubuntu-18_04:
     runs-on: ubuntu-18.04
@@ -73,9 +73,9 @@ jobs:
       - name: make features
         run: make features
       - name: make
-        run: make -j $(nproc)
+        run: make WITH_LTO=true -j $(nproc)
       - name: make posix32
-        run: make posix32 -j $(nproc)
+        run: make WITH_LTO=true posix32 -j $(nproc)
 
   ubuntu-20_04:
     runs-on: ubuntu-20.04
@@ -99,9 +99,9 @@ jobs:
       - name: make features
         run: make features
       - name: make
-        run: make -j $(nproc)
+        run: make WITH_LTO=true -j $(nproc)
       - name: make posix32
-        run: make posix32 -j $(nproc)
+        run: make WITH_LTO=true posix32 -j $(nproc)
 
   ubuntu-mingw-win32:
     runs-on: ubuntu-20.04
@@ -126,7 +126,7 @@ jobs:
       - name: make features
         run: make features
       - name: make
-        run: make -j $(nproc)
+        run: make WITH_LTO=true -j $(nproc)
 
   ubuntu-mingw-win64:
     runs-on: ubuntu-20.04
@@ -150,4 +150,4 @@ jobs:
       - name: make features
         run: make features
       - name: make
-        run: make -j $(nproc)
+        run: make WITH_LTO=true -j $(nproc)

source/Makefile.mk

@@ -92,6 +92,7 @@ endif
 
 ifeq ($(WITH_LTO),true)
 BASE_FLAGS += -fno-strict-aliasing -flto
+LINK_OPTS  += -fno-strict-aliasing -flto -Werror=odr -Werror=lto-type-mismatch
 endif
 
 32BIT_FLAGS = -m32

source/utils/CarlaLv2Utils.hpp

@@ -1861,6 +1861,8 @@ const LV2_RDF_Descriptor* lv2_rdf_new(const LV2_URI uri, const bool loadPresets)
         for (uint i = 0; i < numPorts; ++i)
         {
             Lilv::Port lilvPort(lilvPlugin.get_port_by_index(i));
+            CARLA_SAFE_ASSERT_CONTINUE(lilvPort.me != nullptr);
+
             LV2_RDF_Port* const rdfPort(&rdfDescriptor->Ports[i]);
 
             // --------------------------------------------------------------------------------------------------------