[llvm] r246489 - Fix bug in method LLLexer::FP80HexToIntPair

[Karl Schimpf via llvm-commits]

Author: kschimpf
Date: Mon Aug 31 16:36:14 2015
New Revision: 246489

URL: http://llvm.org/viewvc/llvm-project?rev=246489&view=rev
Log:
Fix bug in method LLLexer::FP80HexToIntPair

Added:
    llvm/trunk/test/Assembler/invalid-fp80hex.ll
Modified:
    llvm/trunk/lib/AsmParser/LLLexer.cpp

Modified: llvm/trunk/lib/AsmParser/LLLexer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/AsmParser/LLLexer.cpp?rev=246489&r1=246488&r2=246489&view=diff
==============================================================================
--- llvm/trunk/lib/AsmParser/LLLexer.cpp (original)
+++ llvm/trunk/lib/AsmParser/LLLexer.cpp Mon Aug 31 16:36:14 2015
@@ -105,7 +105,7 @@ void LLLexer::FP80HexToIntPair(const cha
     Pair[1] += hexDigitValue(*Buffer);
   }
   Pair[0] = 0;
-  for (int i=0; i<16; i++, Buffer++) {
+  for (int i = 0; i < 16 && Buffer != End; i++, Buffer++) {
     Pair[0] *= 16;
     Pair[0] += hexDigitValue(*Buffer);
   }

Added: llvm/trunk/test/Assembler/invalid-fp80hex.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Assembler/invalid-fp80hex.ll?rev=246489&view=auto
==============================================================================
--- llvm/trunk/test/Assembler/invalid-fp80hex.ll (added)
+++ llvm/trunk/test/Assembler/invalid-fp80hex.ll Mon Aug 31 16:36:14 2015
@@ -0,0 +1,6 @@
+; RUN: not llvm-as < %s 2>&1 | FileCheck %s
+
+; Tests bug: 24640
+; CHECK: expected '=' in global variable
+
+ at - 0xKate potb8ed