[clang] Use ISO C90 style comment in C code

[foxtran]

This patch fixes warning which occurs during compilation of clang with GCC:

C++ style comments are not allowed in ISO C90

[llvmbot]

@llvm/pr-subscribers-clang

Author: None (foxtran)

Changes

This patch fixes warning which occurs during compilation of clang with GCC:

C++ style comments are not allowed in ISO C90

---

Full diff: https://github.com/llvm/llvm-project/pull/128189.diff

1 Files Affected:

• (modified) clang/tools/c-index-test/c-index-test.c (+1-1)

diff --git a/clang/tools/c-index-test/c-index-test.c b/clang/tools/c-index-test/c-index-test.c
index 0e7de8b98ea07..2fdb1b2548ff6 100644
--- a/clang/tools/c-index-test/c-index-test.c
+++ b/clang/tools/c-index-test/c-index-test.c
@@ -1223,7 +1223,7 @@ static CXString createCXString(const char *CS) {
 static CXString duplicateCXString(const char *CS) {
   CXString Str;
   Str.data = strdup(CS);
-  Str.private_flags = 1; // CXS_Malloc
+  Str.private_flags = 1; /* CXS_Malloc */
   return Str;
 }