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[Bug rtl-optimization/52785] New: Compile with -O fails in gcc 4.7
- From: "sergio at serjux dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 30 Mar 2012 01:36:55 +0000
- Subject: [Bug rtl-optimization/52785] New: Compile with -O fails in gcc 4.7
- Auto-submitted: auto-generated
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52785
Bug #: 52785
Summary: Compile with -O fails in gcc 4.7
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: sergio@serjux.com
Hi,
Though compile C sources shouldn't change behavior when we change -O
(optimization) flag but we see 2 or 3 issues with -O flag.
https://bugs.gentoo.org/show_bug.cgi?id=402285#c2
compiles with -O2 and not with -O3 !?
https://bugs.freedesktop.org/show_bug.cgi?id=47971
Compile X11-server git version, just compiles with -O0 , not with other -O