[llvm] r262891 - A couple more UB fixes for C++14 sized deallocation.

[Richard Smith via llvm-commits]

Author: rsmith
Date: Mon Mar  7 18:59:44 2016
New Revision: 262891

URL: http://llvm.org/viewvc/llvm-project?rev=262891&view=rev
Log:
A couple more UB fixes for C++14 sized deallocation.

Modified:
    llvm/trunk/include/llvm/TableGen/Record.h
    llvm/trunk/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp

Modified: llvm/trunk/include/llvm/TableGen/Record.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/TableGen/Record.h?rev=262891&r1=262890&r2=262891&view=diff
==============================================================================
--- llvm/trunk/include/llvm/TableGen/Record.h (original)
+++ llvm/trunk/include/llvm/TableGen/Record.h Mon Mar  7 18:59:44 2016
@@ -468,6 +468,9 @@ class BitsInit final : public TypedInit,
   BitsInit &operator=(const BitsInit &Other) = delete;
 
 public:
+  // Do not use sized deallocation due to trailing objects.
+  void operator delete(void *p) { ::operator delete(p); }
+
   static bool classof(const Init *I) {
     return I->getKind() == IK_BitsInit;
   }
@@ -601,6 +604,9 @@ private:
   ListInit &operator=(const ListInit &Other) = delete;
 
 public:
+  // Do not use sized deallocation due to trailing objects.
+  void operator delete(void *p) { ::operator delete(p); }
+
   static bool classof(const Init *I) {
     return I->getKind() == IK_ListInit;
   }

Modified: llvm/trunk/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp?rev=262891&r1=262890&r2=262891&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp (original)
+++ llvm/trunk/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp Mon Mar  7 18:59:44 2016
@@ -378,6 +378,10 @@ public:
     }
   }
 
+  // Disable use of sized deallocation due to overallocation of PPCOperand
+  // objects in CreateTokenWithStringCopy.
+  void operator delete(void *p) { ::operator delete(p); }
+
   /// getStartLoc - Get the location of the first token of this operand.
   SMLoc getStartLoc() const override { return StartLoc; }