[Bug tree-optimization/50764] [4.7 Regression] ICE: in maybe_record_trace_start, at dwarf2cfi.c:2243 with -O2 -fsched2-use-superblocks -ftree-tail-merge

2011-10-17 Thread vries at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50764 --- Comment #1 from vries at gcc dot gnu.org 2011-10-17 21:55:12 UTC --- Created attachment 25535 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25535 sdiff between 091t.crited and 092t.pre I don't seen anything obviously wrong with the trans

[Bug tree-optimization/50764] [4.7 Regression] ICE: in maybe_record_trace_start, at dwarf2cfi.c:2243 with -O2 -fsched2-use-superblocks -ftree-tail-merge

2011-10-18 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50764 Richard Guenther changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/50764] [4.7 Regression] ICE: in maybe_record_trace_start, at dwarf2cfi.c:2243 with -O2 -fsched2-use-superblocks -ftree-tail-merge

2011-10-27 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50764 Richard Guenther changed: What|Removed |Added Priority|P3 |P1

[Bug tree-optimization/50764] [4.7 Regression] ICE: in maybe_record_trace_start, at dwarf2cfi.c:2243 with -O2 -fsched2-use-superblocks -ftree-tail-merge

2011-10-27 Thread vries at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50764 --- Comment #3 from vries at gcc dot gnu.org 2011-10-27 14:32:45 UTC --- Created attachment 25633 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25633 sdiff between 209r.split4 (before sched2) -fno-tree-tail-merge and -ftree-tail-merge differ

[Bug tree-optimization/50764] [4.7 Regression] ICE: in maybe_record_trace_start, at dwarf2cfi.c:2243 with -O2 -fsched2-use-superblocks -ftree-tail-merge

2011-10-27 Thread vries at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50764 --- Comment #4 from vries at gcc dot gnu.org 2011-10-27 15:29:10 UTC --- Created attachment 25634 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25634 sdiff between 209r.split4 and 210r.sched2 with -ftree-tail-merge The effect of -fsched2-use

[Bug tree-optimization/50764] [4.7 Regression] ICE: in maybe_record_trace_start, at dwarf2cfi.c:2243 with -O2 -fsched2-use-superblocks -ftree-tail-merge

2011-10-27 Thread vries at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50764 --- Comment #5 from vries at gcc dot gnu.org 2011-10-27 15:54:07 UTC --- during 223r.dwarf2, maybe_record_trace_start is called with lab == code_label 29, at the start of block 5, and we hit the assert: ... gcc_checking_assert (cfi_row_equal_

[Bug tree-optimization/50764] [4.7 Regression] ICE: in maybe_record_trace_start, at dwarf2cfi.c:2243 with -O2 -fsched2-use-superblocks -ftree-tail-merge

2011-10-27 Thread vries at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50764 vries at gcc dot gnu.org changed: What|Removed |Added CC||rth at gcc dot gnu.org --- Comm