Fix GCC builds with Debug build type

src/common/CMakeLists.txt

@@ -241,6 +241,15 @@ if (MSVC)
   )
 else()
   set_source_files_properties(stb.cpp PROPERTIES COMPILE_OPTIONS "-Wno-implicit-fallthrough;-Wno-missing-declarations;-Wno-missing-field-initializers")
+
+  # Get around GCC failing with intrinsics in Debug
+  if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_BUILD_TYPE MATCHES "Debug")
+    set_property(
+      SOURCE stb.cpp
+      APPEND
+      PROPERTY COMPILE_OPTIONS ";-O2"
+    )
+  endif()
 endif()
 
 if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")

src/video_core/CMakeLists.txt

@@ -366,6 +366,11 @@ else()
 
     # VMA
     set_source_files_properties(vulkan_common/vma.cpp PROPERTIES COMPILE_OPTIONS "-Wno-conversion;-Wno-unused-variable;-Wno-unused-parameter;-Wno-missing-field-initializers")
+
+    # Get around GCC failing with intrinsics in Debug
+    if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_BUILD_TYPE MATCHES "Debug")
+        set_source_files_properties(host1x/vic.cpp PROPERTIES COMPILE_OPTIONS "-O2")
+    endif()
 endif()
 
 if (ARCHITECTURE_x86_64)