From 811281e788432d3136de13f72d05790eced52d92 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Thu, 10 Jan 2008 07:01:53 +0000
Subject: [PATCH] Fix a crash on code like: let x = 1 {x

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45827 91177308-0d34-0410-b5e6-96231b3b80d8
---
 utils/TableGen/TGParser.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/utils/TableGen/TGParser.cpp b/utils/TableGen/TGParser.cpp
index fdc162b4a44..65b6b818493 100644
--- a/utils/TableGen/TGParser.cpp
+++ b/utils/TableGen/TGParser.cpp
@@ -290,7 +290,10 @@ ParseSubClassReference(Record *CurRec, bool isDefm) {
 ///   RangePiece ::= INTVAL '-' INTVAL
 ///   RangePiece ::= INTVAL INTVAL
 bool TGParser::ParseRangePiece(std::vector<unsigned> &Ranges) {
-  assert(Lex.getCode() == tgtok::IntVal && "Invalid range");
+  if (Lex.getCode() != tgtok::IntVal) {
+    TokError("expected integer or bitrange");
+    return true;
+  }
   int Start = Lex.getCurIntVal();
   int End;