[clang] [NFC] Fix build error: multi-line comment in opencl-c.h (PR #171953)

[Wenju He via cfe-commits]

https://github.com/wenju-he created 
https://github.com/llvm/llvm-project/pull/171953

opencl-c.h:13798:80: error: multi-line // comment [-Werror,-Wcomment]
 13798 | #endif // defined(__opencl_c_ext_fp16_global_atomic_min_max) &&        
        \

>From f80f6a6d08bc2774ca1a1bd9ae34d4dad504ef6a Mon Sep 17 00:00:00 2001
From: Wenju He <wenju...@intel.com>
Date: Fri, 12 Dec 2025 03:06:45 +0100
Subject: [PATCH] [NFC] Fix build error: multi-line comment in opencl-c.h

opencl-c.h:13798:80: error: multi-line // comment [-Werror,-Wcomment]
 13798 | #endif // defined(__opencl_c_ext_fp16_global_atomic_min_max) &&        
        \
---
 clang/lib/Headers/opencl-c.h | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/clang/lib/Headers/opencl-c.h b/clang/lib/Headers/opencl-c.h
index f9cdb2e706f01..72a1333ee05dc 100644
--- a/clang/lib/Headers/opencl-c.h
+++ b/clang/lib/Headers/opencl-c.h
@@ -13736,8 +13736,8 @@ half __ovld atomic_fetch_min_explicit(volatile 
atomic_half *,
                                       half, memory_order, memory_scope);
 half __ovld atomic_fetch_max_explicit(volatile atomic_half *,
                                       half, memory_order, memory_scope);
-#endif // defined(__opencl_c_ext_fp16_global_atomic_min_max) &&                
\
-    defined(__opencl_c_ext_fp16_local_atomic_min_max)
+#endif // defined(__opencl_c_ext_fp16_global_atomic_min_max) &&
+       // defined(__opencl_c_ext_fp16_local_atomic_min_max)
 
 #if defined(__opencl_c_ext_fp32_global_atomic_min_max)
 float __ovld atomic_fetch_min(volatile __global atomic_float *, float);
@@ -13777,8 +13777,8 @@ float __ovld atomic_fetch_min_explicit(volatile 
atomic_float *,
                                        float, memory_order, memory_scope);
 float __ovld atomic_fetch_max_explicit(volatile atomic_float *,
                                        float, memory_order, memory_scope);
-#endif // defined(__opencl_c_ext_fp32_global_atomic_min_max) &&                
\
-    defined(__opencl_c_ext_fp32_local_atomic_min_max)
+#endif // defined(__opencl_c_ext_fp32_global_atomic_min_max) &&
+       // defined(__opencl_c_ext_fp32_local_atomic_min_max)
 
 #if defined(cl_khr_int64_base_atomics) && 
defined(cl_khr_int64_extended_atomics)
 #if defined(__opencl_c_ext_fp64_global_atomic_min_max)
@@ -13819,10 +13819,10 @@ double __ovld atomic_fetch_min_explicit(volatile 
atomic_double *,
                                         double, memory_order, memory_scope);
 double __ovld atomic_fetch_max_explicit(volatile atomic_double *,
                                         double, memory_order, memory_scope);
-#endif // defined(__opencl_c_ext_fp64_global_atomic_min_max) &&                
\
-    defined(__opencl_c_ext_fp64_local_atomic_min_max)
-#endif // defined(cl_khr_int64_base_atomics) &&                                
\
-    defined(cl_khr_int64_extended_atomics)
+#endif // defined(__opencl_c_ext_fp64_global_atomic_min_max) &&
+       // defined(__opencl_c_ext_fp64_local_atomic_min_max)
+#endif // defined(cl_khr_int64_base_atomics) &&
+       // defined(cl_khr_int64_extended_atomics)
 
 #if defined(__opencl_c_ext_fp16_global_atomic_add)
 half __ovld atomic_fetch_add(volatile __global atomic_half *, half);
@@ -13862,8 +13862,8 @@ half __ovld atomic_fetch_add_explicit(volatile 
atomic_half *,
                                       half, memory_order, memory_scope);
 half __ovld atomic_fetch_sub_explicit(volatile atomic_half *,
                                       half, memory_order, memory_scope);
-#endif // defined(__opencl_c_ext_fp16_global_atomic_add) &&                    
\
-    defined(__opencl_c_ext_fp16_local_atomic_add)
+#endif // defined(__opencl_c_ext_fp16_global_atomic_add) &&
+       // defined(__opencl_c_ext_fp16_local_atomic_add)
 
 #if defined(__opencl_c_ext_fp32_global_atomic_add)
 float __ovld atomic_fetch_add(volatile __global atomic_float *, float);
@@ -13903,8 +13903,8 @@ float __ovld atomic_fetch_add_explicit(volatile 
atomic_float *,
                                        float, memory_order, memory_scope);
 float __ovld atomic_fetch_sub_explicit(volatile atomic_float *,
                                        float, memory_order, memory_scope);
-#endif // defined(__opencl_c_ext_fp32_global_atomic_add) &&                    
\
-    defined(__opencl_c_ext_fp32_local_atomic_add)
+#endif // defined(__opencl_c_ext_fp32_global_atomic_add) &&
+       // defined(__opencl_c_ext_fp32_local_atomic_add)
 
 #if defined(cl_khr_int64_base_atomics) && 
defined(cl_khr_int64_extended_atomics)
 #if defined(__opencl_c_ext_fp64_global_atomic_add)
@@ -13945,10 +13945,10 @@ double __ovld atomic_fetch_add_explicit(volatile 
atomic_double *,
                                         double, memory_order, memory_scope);
 double __ovld atomic_fetch_sub_explicit(volatile atomic_double *,
                                         double, memory_order, memory_scope);
-#endif // defined(__opencl_c_ext_fp64_global_atomic_add) &&                    
\
-    defined(__opencl_c_ext_fp64_local_atomic_add)
-#endif // defined(cl_khr_int64_base_atomics) &&                                
\
-    defined(cl_khr_int64_extended_atomics)
+#endif // defined(__opencl_c_ext_fp64_global_atomic_add) &&
+       // defined(__opencl_c_ext_fp64_local_atomic_add)
+#endif // defined(cl_khr_int64_base_atomics) &&
+       // defined(cl_khr_int64_extended_atomics)
 
 #endif // cl_ext_float_atomics
 

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