From: trevor_hansen <trevor_hansen@e59a4935-1847-0410-ae03-e826735625c1>
Date: Mon, 12 Mar 2012 04:11:58 +0000 (+0000)
Subject: Check not and minus better when type checking.
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=265c5e762d6ac661927e2bc5d7eba215b3c3b788;p=francis%2Fstp.git

Check not and minus better when type checking.

git-svn-id: https://stp-fast-prover.svn.sourceforge.net/svnroot/stp-fast-prover/trunk/stp@1591 e59a4935-1847-0410-ae03-e826735625c1
---

diff --git a/src/AST/ASTmisc.cpp b/src/AST/ASTmisc.cpp
index 4f01aa8..e9a208b 100644
--- a/src/AST/ASTmisc.cpp
+++ b/src/AST/ASTmisc.cpp
@@ -466,6 +466,8 @@ namespace BEEV
 			checkChildrenAreBV(v, n);
 			if (n.Degree() != 1)
 				FatalError("BVTypeCheck: should have exactly 1 args\n", n);
+			if (n.GetValueWidth() != n[0].GetValueWidth())
+		          FatalError("BVTypeCheck: should have same value width\n", n);
 			break;
 		case BVEXTRACT:
 			checkChildrenAreBV(v, n);