[llvm] r218266 - Make MCAsmParserSemaCallback::LookupInlineAsmLabel a pure virtual function

[Ehsan Akhgari]

Author: ehsan
Date: Mon Sep 22 14:49:07 2014
New Revision: 218266

URL: http://llvm.org/viewvc/llvm-project?rev=218266&view=rev
Log:
Make MCAsmParserSemaCallback::LookupInlineAsmLabel a pure virtual function

Summary:
r218229 made this function return a dummy nullptr in order to avoid
API breakage between clang/llvm.

Reviewers: rnk

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5432

Modified:
    llvm/trunk/include/llvm/MC/MCParser/MCAsmParser.h

Modified: llvm/trunk/include/llvm/MC/MCParser/MCAsmParser.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/MC/MCParser/MCAsmParser.h?rev=218266&r1=218265&r2=218266&view=diff
==============================================================================
--- llvm/trunk/include/llvm/MC/MCParser/MCAsmParser.h (original)
+++ llvm/trunk/include/llvm/MC/MCParser/MCAsmParser.h Mon Sep 22 14:49:07 2014
@@ -55,8 +55,7 @@ public:
                                           InlineAsmIdentifierInfo &Info,
                                           bool IsUnevaluatedContext) = 0;
   virtual StringRef LookupInlineAsmLabel(StringRef Identifier, SourceMgr &SM,
-                                         SMLoc Location, bool Create)
-  { return nullptr; }
+                                         SMLoc Location, bool Create) = 0;
 
   virtual bool LookupInlineAsmField(StringRef Base, StringRef Member,
                                     unsigned &Offset) = 0;