[clang] [compiler-rt] [ubsan] Display correct runtime messages for negative _BitInt (PR #96240)

LLVM Continuous Integration via cfe-commits cfe-commits at lists.llvm.org
Thu Aug 15 07:31:34 PDT 2024


llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-x86_64-sie-win` running on `sie-win-worker` while building `clang,compiler-rt` at step 7 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/46/builds/3307

Here is the relevant piece of the build log for the reference:
```
Step 7 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'Clang :: CodeGen/bit-int-ubsan.c' FAILED ********************
Exit Code: 2

Command Output (stdout):
--
# RUN: at line 2
z:\b\llvm-clang-x86_64-sie-win\build\bin\clang.exe -Wno-constant-conversion -Wno-array-bounds -Wno-division-by-zero -Wno-shift-negative-value -Wno-shift-count-negative -Wno-int-to-pointer-cast -fsanitize=array-bounds,enum,float-cast-overflow,integer-divide-by-zero,implicit-unsigned-integer-truncation,implicit-signed-integer-truncation,implicit-integer-sign-change,unsigned-integer-overflow,signed-integer-overflow,shift-base,shift-exponent -O0 -S -emit-llvm -o - Z:\b\llvm-clang-x86_64-sie-win\llvm-project\clang\test\CodeGen\bit-int-ubsan.c | z:\b\llvm-clang-x86_64-sie-win\build\bin\filecheck.exe Z:\b\llvm-clang-x86_64-sie-win\llvm-project\clang\test\CodeGen\bit-int-ubsan.c
# executed command: 'z:\b\llvm-clang-x86_64-sie-win\build\bin\clang.exe' -Wno-constant-conversion -Wno-array-bounds -Wno-division-by-zero -Wno-shift-negative-value -Wno-shift-count-negative -Wno-int-to-pointer-cast -fsanitize=array-bounds,enum,float-cast-overflow,integer-divide-by-zero,implicit-unsigned-integer-truncation,implicit-signed-integer-truncation,implicit-integer-sign-change,unsigned-integer-overflow,signed-integer-overflow,shift-base,shift-exponent -O0 -S -emit-llvm -o - 'Z:\b\llvm-clang-x86_64-sie-win\llvm-project\clang\test\CodeGen\bit-int-ubsan.c'
# .---command stderr------------
# | Z:\b\llvm-clang-x86_64-sie-win\llvm-project\clang\test\CodeGen\bit-int-ubsan.c:7:10: fatal error: 'stdio.h' file not found
# |     7 | #include <stdio.h>
# |       |          ^~~~~~~~~
# | 1 error generated.
# `-----------------------------
# error: command failed with exit status: 1
# executed command: 'z:\b\llvm-clang-x86_64-sie-win\build\bin\filecheck.exe' 'Z:\b\llvm-clang-x86_64-sie-win\llvm-project\clang\test\CodeGen\bit-int-ubsan.c'
# .---command stderr------------
# | FileCheck error: '<stdin>' is empty.
# | FileCheck command line:  z:\b\llvm-clang-x86_64-sie-win\build\bin\filecheck.exe Z:\b\llvm-clang-x86_64-sie-win\llvm-project\clang\test\CodeGen\bit-int-ubsan.c
# `-----------------------------
# error: command failed with exit status: 2

--

********************


```

https://github.com/llvm/llvm-project/pull/96240


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