[libcxx-commits] [libcxx] [libcxx] Support providing symbol suffix through compiler define (PR #122570)

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``````````bash
git-clang-format --diff 833a17489dd96f35df3a17ad231ada82acf38ef9 63f365ba5b4795a6225e9a70ccc2a026578afbe6 --extensions h -- libcxx/src/include/overridable_function.h
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diff --git a/libcxx/src/include/overridable_function.h b/libcxx/src/include/overridable_function.h
index 7eee4ecd06..d1cfcb763b 100644
--- a/libcxx/src/include/overridable_function.h
+++ b/libcxx/src/include/overridable_function.h
@@ -62,7 +62,7 @@
 // the unique suffix needs to be supplied by the build system. The `_LIBCPP_SYMBOL_SUFFIX` can
 // be used for that purpose.
 #ifndef _LIBCPP_SYMBOL_SUFFIX
-#define _LIBCPP_SYMBOL_SUFFIX
+#  define _LIBCPP_SYMBOL_SUFFIX
 #endif
 
 #if defined(_LIBCPP_OBJECT_FORMAT_MACHO)
@@ -100,7 +100,7 @@ _LIBCPP_END_NAMESPACE_STD
 #  define _LIBCPP_CAN_DETECT_OVERRIDDEN_FUNCTION 1
 #  define _LIBCPP_OVERRIDABLE_FUNCTION(symbol, type, name, arglist)                                                    \
     static type symbol##_impl__ arglist __asm__(_LIBCPP_TOSTRING(symbol##_impl__));                                    \
-    [[gnu::weak, gnu::alias(_LIBCPP_TOSTRING(symbol##_impl__) _LIBCPP_SYMBOL_SUFFIX)]] type name arglist;              \
+    [[ gnu::weak, gnu::alias(_LIBCPP_TOSTRING(symbol##_impl__) _LIBCPP_SYMBOL_SUFFIX) ]] type name arglist;            \
     _LIBCPP_BEGIN_NAMESPACE_STD                                                                                        \
     template <>                                                                                                        \
     inline bool __is_function_overridden<static_cast<type(*) arglist>(name)>() {                                       \

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https://github.com/llvm/llvm-project/pull/122570