From 0d6cd00dbe58b456d0d33663e6a36c270aad2b5a Mon Sep 17 00:00:00 2001
From: Kevin Enderby <enderby@apple.com>
Date: Wed, 16 Sep 2009 17:18:29 +0000
Subject: [PATCH] Fix incorrect assert that should be a user error for code
 like 'mov $0, %%eax'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82054 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/AsmParser/X86AsmParser.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp
index aa04ba60d37..c357b4d0dee 100644
--- a/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -241,7 +241,8 @@ bool X86ATTAsmParser::ParseRegister(X86Operand &Op) {
   getLexer().Lex(); // Eat percent token.
 
   const AsmToken &Tok = getLexer().getTok();
-  assert(TokPercent.is(AsmToken::Identifier) && "Invalid token kind!");
+  if (Tok.isNot(AsmToken::Identifier))
+    return Error(Tok.getLoc(), "invalid register name");
 
   // FIXME: Validate register for the current architecture; we have to do
   // validation later, so maybe there is no need for this here.