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[Bug middle-end/50066] [4.7 Regression] Bad signed int to unsigned long long conversion
- From: "hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 13 Aug 2011 18:32:53 +0000
- Subject: [Bug middle-end/50066] [4.7 Regression] Bad signed int to unsigned long long conversion
- Auto-submitted: auto-generated
- References: <bug-50066-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50066
--- Comment #14 from H.J. Lu <hjl.tools at gmail dot com> 2011-08-13 18:32:53 UTC ---
What possible optimization do we gain by not checking
range overflow? Does anyone have a testcase to show it?