[llvm] bf1e96d - [MicrosoftDemangle] Set error to true when returning nullptr.

[Zequan Wu via llvm-commits]

Author: Zequan Wu
Date: 2022-06-08T17:18:09-07:00
New Revision: bf1e96d6206e8f551680f5929e00afb09092deb1

URL: https://github.com/llvm/llvm-project/commit/bf1e96d6206e8f551680f5929e00afb09092deb1
DIFF: https://github.com/llvm/llvm-project/commit/bf1e96d6206e8f551680f5929e00afb09092deb1.diff

LOG: [MicrosoftDemangle] Set error to true when returning nullptr.

Added: 
    

Modified: 
    llvm/lib/Demangle/MicrosoftDemangle.cpp

Removed: 
    


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diff  --git a/llvm/lib/Demangle/MicrosoftDemangle.cpp b/llvm/lib/Demangle/MicrosoftDemangle.cpp
index aca8cf7a0a58c..b4e98a20f389b 100644
--- a/llvm/lib/Demangle/MicrosoftDemangle.cpp
+++ b/llvm/lib/Demangle/MicrosoftDemangle.cpp
@@ -823,11 +823,15 @@ SymbolNode *Demangler::parse(StringView &MangledName) {
 }
 
 TagTypeNode *Demangler::parseTagUniqueName(StringView &MangledName) {
-  if (!MangledName.consumeFront(".?A"))
+  if (!MangledName.consumeFront(".?A")) {
+    Error = true;
     return nullptr;
+  }
   MangledName.consumeFront(".?A");
-  if (MangledName.empty())
+  if (MangledName.empty()) {
+    Error = true;
     return nullptr;
+  }
 
   return demangleClassType(MangledName);
 }