llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-backend-powerpc
@llvm/pr-subscribers-clang
Author: Zibi Sarbinowski (zibi2)
<details>
<summary>Changes</summary>
This will fix the following failure seeing on z/OS:
```
In file included from clang/test/CodeGen/PowerPC/ppc-xmmintrin.c:31:
In file included from build/lib/clang/20/include/ppc_wrappers/xmmintrin.h:44:
In file included from build/lib/clang/20/include/altivec.h:48:
In file included from build/bin/../include/c++/v1/stddef.h:27:
In file included from build/bin/../include/c++/v1/__config:14:
In file included from build/bin/../include/c++/v1/__configuration/abi.h:15:
In file included from build/bin/../include/c++/v1/__configuration/platform.h:35:
/usr/include/features.h:1:20: error: expected unqualified-id
1 | ??=if ??/
| ^
/usr/include/features.h:2140:20: error: expected unqualified-id
2140 | ??=endif /* __features_h */
| ^
```
Adding `-nostdlibinc` will not use standard system include path and it will
prevent above errors.
---
Full diff: https://github.com/llvm/llvm-project/pull/109676.diff
1 Files Affected:
- (modified) clang/test/CodeGen/PowerPC/ppc-xmmintrin.c (+1-1)
``````````diff
diff --git a/clang/test/CodeGen/PowerPC/ppc-xmmintrin.c
b/clang/test/CodeGen/PowerPC/ppc-xmmintrin.c
index 4a15fa9f76ceea..8681bb3f9b4f8c 100644
--- a/clang/test/CodeGen/PowerPC/ppc-xmmintrin.c
+++ b/clang/test/CodeGen/PowerPC/ppc-xmmintrin.c
@@ -23,7 +23,7 @@
// RUN: %clang -S -emit-llvm -target powerpc64-ibm-aix -mcpu=pwr8
-ffreestanding -DNO_WARN_X86_INTRINSICS %s \
// RUN: -ffp-contract=off -fno-discard-value-names -mllvm
-disable-llvm-optzns -o - | llvm-cxxfilt -n | FileCheck %s
--check-prefixes=CHECK,CHECK-BE
-// RUN: %clang -x c++ -fsyntax-only -target powerpc64-ibm-aix -mcpu=pwr8
-ffreestanding -DNO_WARN_X86_INTRINSICS %s \
+// RUN: %clang -x c++ -fsyntax-only -target powerpc64-ibm-aix -mcpu=pwr8
-ffreestanding -nostdlibinc -DNO_WARN_X86_INTRINSICS %s \
// RUN: -fno-discard-value-names -mllvm -disable-llvm-optzns
// RUN: %clang -S -emit-llvm -target powerpc64-ibm-aix -mcpu=pwr10
-ffreestanding -DNO_WARN_X86_INTRINSICS %s \
// RUN: -ffp-contract=off -fno-discard-value-names -mllvm
-disable-llvm-optzns -o - | llvm-cxxfilt -n | FileCheck %s
--check-prefixes=CHECK,CHECK-P10-BE
``````````
</details>
https://github.com/llvm/llvm-project/pull/109676
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