[clang] Fix SemaCXX/msvc-pragma-function-no-builtin-attr.cpp test (PR #119873)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: None (VScigolevs)

<details>
<summary>Changes</summary>

Fix test failure from 84b0f0145887bbfe49fd4dc85490b14108a72cee

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Full diff: https://github.com/llvm/llvm-project/pull/119873.diff


1 Files Affected:

- (modified) clang/test/SemaCXX/msvc-pragma-function-no-builtin-attr.cpp (+1-1) 


``````````diff
diff --git a/clang/test/SemaCXX/msvc-pragma-function-no-builtin-attr.cpp b/clang/test/SemaCXX/msvc-pragma-function-no-builtin-attr.cpp
index cd2ac7d1edbefb..066c66884e33c1 100644
--- a/clang/test/SemaCXX/msvc-pragma-function-no-builtin-attr.cpp
+++ b/clang/test/SemaCXX/msvc-pragma-function-no-builtin-attr.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cl -fms-compatibility -Xclang -ast-dump -fsyntax-only %s | FileCheck %s
+// RUN: %clang_cl -fms-compatibility -Xclang -ast-dump -fsyntax-only -- %s | FileCheck %s
 
 extern "C" __inline float __cdecl fabsf(  float _X);
 // CHECK: FunctionDecl {{.*}} fabsf

``````````

</details>


https://github.com/llvm/llvm-project/pull/119873