[compiler-rt] f70963c - [NFC][sanitizer] Update comment in InternalSymbolizer::get

[Vitaly Buka via llvm-commits]

Author: Vitaly Buka
Date: 2023-09-26T09:20:15-07:00
New Revision: f70963c69d0278e2b9d958196e72fb8cc5e9afde

URL: https://github.com/llvm/llvm-project/commit/f70963c69d0278e2b9d958196e72fb8cc5e9afde
DIFF: https://github.com/llvm/llvm-project/commit/f70963c69d0278e2b9d958196e72fb8cc5e9afde.diff

LOG: [NFC][sanitizer] Update comment in InternalSymbolizer::get

Added: 
    

Modified: 
    compiler-rt/lib/sanitizer_common/sanitizer_symbolizer_posix_libcdep.cpp

Removed: 
    


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diff  --git a/compiler-rt/lib/sanitizer_common/sanitizer_symbolizer_posix_libcdep.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_symbolizer_posix_libcdep.cpp
index 5cba86e39fa2839..724ad4722909f1e 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_symbolizer_posix_libcdep.cpp
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_symbolizer_posix_libcdep.cpp
@@ -337,12 +337,13 @@ __sanitizer_symbolize_set_inline_frames(bool InlineFrames);
 class InternalSymbolizer final : public SymbolizerTool {
  public:
   static InternalSymbolizer *get(LowLevelAllocator *alloc) {
-    if (__sanitizer_symbolize_set_demangle)
+    if (&__sanitizer_symbolize_set_demangle)
       CHECK(__sanitizer_symbolize_set_demangle(common_flags()->demangle));
-    if (__sanitizer_symbolize_set_inline_frames)
+    if (&__sanitizer_symbolize_set_inline_frames)
       CHECK(__sanitizer_symbolize_set_inline_frames(
           common_flags()->symbolize_inline_frames));
-    if (__sanitizer_symbolize_code && __sanitizer_symbolize_data)
+    // These are essential, we don't have InternalSymbolizer without them.
+    if (&__sanitizer_symbolize_code && &__sanitizer_symbolize_data)
       return new (*alloc) InternalSymbolizer();
     return 0;
   }
@@ -366,7 +367,7 @@ class InternalSymbolizer final : public SymbolizerTool {
   }
 
   void Flush() override {
-    if (__sanitizer_symbolize_flush)
+    if (&__sanitizer_symbolize_flush)
       __sanitizer_symbolize_flush();
   }