http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52650
Bug #: 52650
Summary: [4.8 Regression] FAIL: gcc.dg/torture/pr51106-2.c *
(internal compiler error)
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: domi...@lps.ens.fr
CC: hjl.to...@gmail.com, rgue...@gcc.gnu.org
Between revisions 185561 vs revision 185565 (see
http://gcc.gnu.org/ml/gcc-regression/2012-03/msg00223.html ) compiling
gcc.dg/torture/pr51106-2.c has started to give an ICE:
FAIL: gcc.dg/torture/pr51106-2.c -O0 (internal compiler error)
FAIL: gcc.dg/torture/pr51106-2.c -O0 (test for excess errors)
FAIL: gcc.dg/torture/pr51106-2.c -O1 (internal compiler error)
FAIL: gcc.dg/torture/pr51106-2.c -O1 (test for excess errors)
FAIL: gcc.dg/torture/pr51106-2.c -O2 (internal compiler error)
FAIL: gcc.dg/torture/pr51106-2.c -O2 (test for excess errors)
FAIL: gcc.dg/torture/pr51106-2.c -O3 -fomit-frame-pointer (internal compiler
error)
FAIL: gcc.dg/torture/pr51106-2.c -O3 -fomit-frame-pointer (test for excess
errors)
FAIL: gcc.dg/torture/pr51106-2.c -O3 -g (internal compiler error)
FAIL: gcc.dg/torture/pr51106-2.c -O3 -g (test for excess errors)
FAIL: gcc.dg/torture/pr51106-2.c -Os (internal compiler error)
FAIL: gcc.dg/torture/pr51106-2.c -Os (test for excess errors)
FAIL: gcc.dg/torture/pr51106-2.c -O2 -flto -flto-partition=none (internal
compiler error)
FAIL: gcc.dg/torture/pr51106-2.c -O2 -flto -flto-partition=none (test for
excess errors)
FAIL: gcc.dg/torture/pr51106-2.c -O2 -flto (internal compiler error)
FAIL: gcc.dg/torture/pr51106-2.c -O2 -flto (test for excess errors)
The ICE is
/opt/gcc/work/gcc/testsuite/gcc.dg/torture/pr51106-2.c: In function 'bar':
/opt/gcc/work/gcc/testsuite/gcc.dg/torture/pr51106-2.c:8:3: warning: asm
operand 0 probably doesn't match constraints [enabled by default]
/opt/gcc/work/gcc/testsuite/gcc.dg/torture/pr51106-2.c:8:3: error: impossible
constraint in 'asm'
/opt/gcc/work/gcc/testsuite/gcc.dg/torture/pr51106-2.c:12:1: internal compiler
error: in purge_dead_edges, at cfgrtl.c:2462
