[llvm] 1cda91d - [Demangle] Fix leak of temporary TypeBuf buffer in DLangDemangle (#203116)

[via llvm-commits]

Author: Luís Ferreira
Date: 2026-06-11T01:56:45Z
New Revision: 1cda91dad0208cccdeafc4a04ffcbb9626e3f157

URL: https://github.com/llvm/llvm-project/commit/1cda91dad0208cccdeafc4a04ffcbb9626e3f157
DIFF: https://github.com/llvm/llvm-project/commit/1cda91dad0208cccdeafc4a04ffcbb9626e3f157.diff

LOG: [Demangle] Fix leak of temporary TypeBuf buffer in DLangDemangle (#203116)

Detected by sanitizer
https://lab.llvm.org/buildbot/#/builders/55/builds/28902 after merge.

Added: 
    

Modified: 
    llvm/lib/Demangle/DLangDemangle.cpp

Removed: 
    


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diff  --git a/llvm/lib/Demangle/DLangDemangle.cpp b/llvm/lib/Demangle/DLangDemangle.cpp
index a3473f80f2c37..86ed3879e351c 100644
--- a/llvm/lib/Demangle/DLangDemangle.cpp
+++ b/llvm/lib/Demangle/DLangDemangle.cpp
@@ -392,6 +392,7 @@ void Demangler::parseMangle(OutputBuffer *Demangled,
         Demangled->insert(TypeLen, " ", 1);
       }
     }
+    std::free(TypeBuf.getBuffer());
   }
 }