AsmParser: Store MacroLikeBodies on the side so they don't get leaked.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187702 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index fb4bea1..dd0d181 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -149,6 +149,9 @@
   /// ActiveMacros - Stack of active macro instantiations.
   std::vector<MacroInstantiation*> ActiveMacros;
 
+  /// MacroLikeBodies - List of bodies of anonymous macros.
+  std::deque<MCAsmMacro> MacroLikeBodies;
+
   /// Boolean tracking whether macro substitution is enabled.
   unsigned MacrosEnabledFlag : 1;
 
@@ -3858,7 +3861,8 @@
   // We Are Anonymous.
   StringRef Name;
   MCAsmMacroParameters Parameters;
-  return new MCAsmMacro(Name, Body, Parameters);
+  MacroLikeBodies.push_back(MCAsmMacro(Name, Body, Parameters));
+  return &MacroLikeBodies.back();
 }
 
 void AsmParser::InstantiateMacroLikeBody(MCAsmMacro *M, SMLoc DirectiveLoc,