[PATCH] D131714: [compiler-rt][builtins] Add compiler flags to catch potential errors that can lead to security vulnerabilities

[Haowei Wu via Phabricator via cfe-commits]

haowei added a comment.

We are also saw failures on Fuchsia builders when using ToT clang:

  [31281/267743] CXX 
host_x64/obj/src/lib/llvm-profdata/llvm-profdata-for-test.llvm-profdata.cc.o
  FAILED: 
host_x64/obj/src/lib/llvm-profdata/llvm-profdata-for-test.llvm-profdata.cc.o
  ../../../recipe_cleanup/clang2x5u_bg_/bin/clang++ -MD -MF 
host_x64/obj/src/lib/llvm-profdata/llvm-profdata-for-test.llvm-profdata.cc.o.d 
-DHAVE_PROFDATA=1 -D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS -...
  In file included from ../../src/lib/llvm-profdata/llvm-profdata.cc:224:
  
../../../recipe_cleanup/clang2x5u_bg_/lib/clang/16.0.0/include/profile/InstrProfData.inc:132:43:
 error: use of undeclared identifier 'DataSizeInitVal'
  INSTR_PROF_RAW_HEADER(uint64_t, DataSize, DataSizeInitVal)
                                            ^
  
../../../recipe_cleanup/clang2x5u_bg_/lib/clang/16.0.0/include/profile/InstrProfData.inc:135:47:
 error: use of undeclared identifier 'CountersSizeInitVal'
  INSTR_PROF_RAW_HEADER(uint64_t, CountersSize, CountersSizeInitVal)
                                                ^
  2 errors generated.
  clang++: error: failing because '-gen-reproducer' is used
  Fuchsia clang version 16.0.0 (https://llvm.googlesource.com/llvm-project 
0473ac8876b94fc27f145c48106675b9dedcb20d)
  Target: x86_64-unknown-linux-gnu
  Thread model: posix
  InstalledDir: ../../../recipe_cleanup/clang2x5u_bg_/bin
  clang++: note: diagnostic msg:
  ********************
  
  PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
  Preprocessed source(s) and associated run script(s) are located at:
  clang++: note: diagnostic msg: clang-crashreports/llvm-profdata-424b79.cpp
  clang++: note: diagnostic msg: clang-crashreports/llvm-profdata-424b79.sh
  clang++: note: diagnostic msg:
  
  ********************

Failing task: 
https://ci.chromium.org/ui/p/fuchsia/builders/ci/clang_toolchain.ci.core.x64-debug-tot-build_only/b8804902579506128897/overview

Could you revert your change if it takes a while to fix forward?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D131714/new/

https://reviews.llvm.org/D131714

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