[clang] [NFC] Fix c++ style comment in c file (PR #112814)

[Jinsong Ji via cfe-commits]

https://github.com/jsji created https://github.com/llvm/llvm-project/pull/112814

This is one of the many PRs to fix errors with LLVM_ENABLE_WERROR=on. Built by GCC 11.

Fix warnings:
llvm-project/clang/include/clang-c/Index.h:2983:3: error: C++ style comments are not allowed in ISO C90 [-Werror]
 2983 |   // HLSL Types


>From d37014d8da13a3de36a7aaa0ed9a6f72c72d155d Mon Sep 17 00:00:00 2001
From: Jinsong Ji <jinsong.ji at intel.com>
Date: Fri, 18 Oct 2024 04:56:17 +0200
Subject: [PATCH] [NFC] Fix c++ style comment in c file

This is one of the many PRs to fix errors with LLVM_ENABLE_WERROR=on. Built by GCC 11.

Fix warnings:
llvm-project/clang/include/clang-c/Index.h:2983:3: error: C++ style comments are not allowed in ISO C90 [-Werror]
 2983 |   // HLSL Types
---
 clang/include/clang-c/Index.h           | 2 +-
 clang/tools/c-index-test/c-index-test.c | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/clang/include/clang-c/Index.h b/clang/include/clang-c/Index.h
index 4f99bf4ebe309b..0c5ac80772e2b9 100644
--- a/clang/include/clang-c/Index.h
+++ b/clang/include/clang-c/Index.h
@@ -2980,7 +2980,7 @@ enum CXTypeKind {
   CXType_Atomic = 177,
   CXType_BTFTagAttributed = 178,
 
-  // HLSL Types
+  /* HLSL Types */
   CXType_HLSLResource = 179,
   CXType_HLSLAttributedResource = 180
 };
diff --git a/clang/tools/c-index-test/c-index-test.c b/clang/tools/c-index-test/c-index-test.c
index b48f44950ab754..7995203c0925a4 100644
--- a/clang/tools/c-index-test/c-index-test.c
+++ b/clang/tools/c-index-test/c-index-test.c
@@ -8,7 +8,6 @@
 #include "clang-c/Documentation.h"
 #include "clang-c/Index.h"
 #include "clang/Config/config.h"
-#include "llvm/Support/AutoConvert.h"
 #include <assert.h>
 #include <ctype.h>
 #include <stdio.h>