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Everywhere: Make Lagom build with GCC 13

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GCC 13 was released on 2023-04-26. This commit fixes Lagom build errors
when using an updated host toolchain:
- Adds a workaround for a bug in constraint handling, which made LibJS
  fail to compile: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109683
- Silences the new `-Wdangling-reference` diagnostic globally. It
  produces multiple false positives with no clear way to silence them
  without `#pragmas`.
- Silences `-Wself-move` in `RefPtr` tests as GCC 13 adds this
  previously Clang-exclusive warning.
This commit is contained in:
Daniel Bertalan 2023-05-01 16:59:46 +02:00 • committed by Tim Flynn
parent 1422f7f904
commit 00b4976f2c
3 changed files with 10 additions and 9 deletions
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3
Meta/CMake/common_compile_options.cmake
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@ -28,4 +28,7 @@ elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
# Only ignore expansion-to-defined for g++, clang's implementation doesn't complain about function-like macros
add_compile_options(-Wno-expansion-to-defined)
add_compile_options(-Wno-literal-suffix)
# FIXME: This warning seems useful but has too many false positives with GCC 13.
add_compile_options(-Wno-dangling-reference)
endif()