From bc7ddafc93f1b30fa39e7f47f62b41ae3ed6a07b Mon Sep 17 00:00:00 2001
From: Paul Marinescu <paul.marinescu@imperial.ac.uk>
Date: Mon, 8 Dec 2014 01:07:52 +0000
Subject: Fix overshift check

Shifting by bitwidth-1 is valid
---
 lib/Solver/MetaSMTBuilder.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/Solver/MetaSMTBuilder.h')

diff --git a/lib/Solver/MetaSMTBuilder.h b/lib/Solver/MetaSMTBuilder.h
index b5c99907..92b26926 100644
--- a/lib/Solver/MetaSMTBuilder.h
+++ b/lib/Solver/MetaSMTBuilder.h
@@ -284,7 +284,7 @@ typename SolverContext::result_type MetaSMTBuilder<SolverContext>::constructAShr
     if (shift == 0) {
         res = expr;
     }
-    else if (shift >= width - 1) {
+    else if (shift >= width) {
         res = evaluate(_solver, metaSMT::logic::Ite(isSigned, bvMinusOne(width), bvZero(width)));
     }
     else {
-- 
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