vgvassilev wrote:
> @vgvassilev, we are seeing build failures on our internal gcc based builders
> on Ubuntu 22/24 after this change. The error is the following:
>
> ```
> [1987/2283] Building CXX object
> tools/clang/unittests/Interpreter/CMakeFiles/ClangReplInterpreterTests.dir/OutOfProcessInterpreterTests.cpp.o
> FAILED:
> tools/clang/unittests/Interpreter/CMakeFiles/ClangReplInterpreterTests.dir/OutOfProcessInterpreterTests.cpp.o
>
> CCACHE_CPP2=yes CCACHE_HASHDIR=yes CCACHE_SLOPPINESS=pch_defines,time_macros
> /usr/bin/ccache /usr/lib/icecc/bin/g++ -DGTEST_HAS_RTTI=0 -DLLVM_BUILD_STATIC
> -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE
> -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS
> -I/home/dyung/src/upstream/build/tools/clang/unittests/Interpreter
> -I/home/dyung/src/upstream/llvm-project/clang/unittests/Interpreter
> -I/home/dyung/src/upstream/llvm-project/clang/include
> -I/home/dyung/src/upstream/build/tools/clang/include
> -I/home/dyung/src/upstream/build/include
> -I/home/dyung/src/upstream/llvm-project/llvm/include
> -I/home/dyung/src/upstream/llvm-project/third-party/unittest/googletest/include
>
> -I/home/dyung/src/upstream/llvm-project/third-party/unittest/googlemock/include
> -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden
> -Werror=date-time -Wall -Wextra -Wno-unused-parameter -Wwrite-strings
> -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long
> -Wimplicit-fallthrough -Wno-uninitialized -Wno-nonnull -Wno-class-memaccess
> -Wno-dangling-reference -Wno-redundant-move -Wno-pessimizing-move
> -Wno-array-bounds -Wno-stringop-overread -Wno-noexcept-type
> -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment
> -Wno-misleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color
> -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -O3
> -DNDEBUG -std=c++17 -UNDEBUG -Wno-variadic-macros -fno-exceptions
> -funwind-tables -fno-rtti -Wno-suggest-override -MD -MT
> tools/clang/unittests/Interpreter/CMakeFiles/ClangReplInterpreterTests.dir/OutOfProcessInterpreterTests.cpp.o
> -MF
> tools/clang/unittests/Interpreter/CMakeFiles/ClangReplInterpreterTests.dir/OutOfProcessInterpreterTests.cpp.o.d
> -o
> tools/clang/unittests/Interpreter/CMakeFiles/ClangReplInterpreterTests.dir/OutOfProcessInterpreterTests.cpp.o
> -c
> /home/dyung/src/upstream/llvm-project/clang/unittests/Interpreter/OutOfProcessInterpreterTests.cpp
> /home/dyung/src/upstream/llvm-project/clang/unittests/Interpreter/OutOfProcessInterpreterTests.cpp:107:32:
> error: declaration of ‘std::unique_ptr<clang::Interpreter>
> {anonymous}::OutOfProcessInterpreterInfo::Interpreter’ changes meaning of
> ‘Interpreter’ [-Wchanges-meaning]
> 107 | std::unique_ptr<Interpreter> Interpreter;
> | ^~~~~~~~~~~
> /home/dyung/src/upstream/llvm-project/clang/unittests/Interpreter/OutOfProcessInterpreterTests.cpp:107:19:
> note: used here to mean ‘class clang::Interpreter’
> 107 | std::unique_ptr<Interpreter> Interpreter;
> | ^~~~~~~~~~~
> In file included from
> /home/dyung/src/upstream/llvm-project/clang/unittests/Interpreter/OutOfProcessInterpreterTests.cpp:22:
> /home/dyung/src/upstream/llvm-project/clang/include/clang/Interpreter/Interpreter.h:136:7:
> note: declared here
> 136 | class Interpreter {
> | ^~~~~~~~~~~
> ```
>
> Gcc version:
>
> ```
> $ gcc --version
> gcc (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0
> Copyright (C) 2023 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions. There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> ```
>
> Can you take a look?
Should be fixed now.
https://github.com/llvm/llvm-project/pull/175322
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