# HG changeset patch
# User ChristianK
# Date 1212782681 -7200
# Node ID 116cc012409bac47b078452c3cff9678d501b82f
# Parent  5ffca623b5dfe2b0f590cc07ace387e4f6b6443b
[svn r240] do not crash on zero length constraints string

diff -r 5ffca623b5df -r 116cc012409b gen/asmstmt.cpp
--- a/gen/asmstmt.cpp	Fri Jun 06 21:51:40 2008 +0200
+++ b/gen/asmstmt.cpp	Fri Jun 06 22:04:41 2008 +0200
@@ -441,7 +441,8 @@
     for(it i = clobbers.begin(), e = clobbers.end(); i != e; ++i) {
         llvmConstraints += "~{" + *i + "},";
     }
-    llvmConstraints.resize(llvmConstraints.size()-1);
+    if(llvmConstraints.size() > 0)
+        llvmConstraints.resize(llvmConstraints.size()-1);
 
 std::cout << "Inline Asm code: " << std::endl;
 std::cout << insnt << std::endl;