[clang] Specicfy -o /dev/null to prevent writing to non-writeable location (PR #232710)

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llvmorg-github-actions[bot] wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Vy Nguyen (oontvoo)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/232710.diff


2 Files Affected:

- (added) clang/test/CodeGen/#amdgcnspirv-size-optimization.c# () 
- (modified) clang/test/CodeGen/amdgcnspirv-size-optimization.c (+1-1) 


``````````diff
diff --git a/clang/test/CodeGen/#amdgcnspirv-size-optimization.c# b/clang/test/CodeGen/#amdgcnspirv-size-optimization.c#
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/clang/test/CodeGen/amdgcnspirv-size-optimization.c b/clang/test/CodeGen/amdgcnspirv-size-optimization.c
index 38428cef345d0..e4344aa9983a2 100644
--- a/clang/test/CodeGen/amdgcnspirv-size-optimization.c
+++ b/clang/test/CodeGen/amdgcnspirv-size-optimization.c
@@ -15,7 +15,7 @@
 // RUN: %clang_cc1 -Oz -triple spirv64-amd-amdhsa -disable-llvm-passes -emit-llvm-bc -fenable-spirv-size-optimization -o /dev/null -fdebug-pass-manager %s 2>&1 | FileCheck %s --check-prefix=O
 // RUN: %clang_cc1 -Oz -triple spirv64-amd-amdhsa -disable-llvm-passes -emit-llvm -o - %s | FileCheck %s --check-prefix=O0-BC
 // RUN: %clang_cc1 -Oz -triple spirv64-amd-amdhsa -disable-llvm-passes -emit-llvm -fenable-spirv-size-optimization -o - %s | FileCheck %s --check-prefix=O-BC
-// RUN: not %clang_cc1 -Oz -triple spirv64-unknown-unknown -disable-llvm-passes -emit-llvm -fenable-spirv-size-optimization %s 2>&1 | FileCheck %s --check-prefix=ERR
+// RUN: not %clang_cc1 -Oz -triple spirv64-unknown-unknown -disable-llvm-passes -emit-llvm -fenable-spirv-size-optimization -o /dev/null %s 2>&1 | FileCheck %s --check-prefix=ERR
 
 // O0-NOT: Running pass: LowerExpectIntrinsic
 // O0-NOT: Running pass: SimplifyCFG

``````````

</details>


https://github.com/llvm/llvm-project/pull/232710