Bootstrap with BOOT_CFLAGS set to "-O2 -ftree-loop-distribution" runs "forever"
(at least 12 hours then I break compilation). It seems that genautomata in
stage2 run in cycle in merge_states.
configured as:
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: ../configure --prefix=/abuild/tbily/install/
--enable-bootstrap --disable-multilib --enable-checks --enable-languages=c,c++
Thread model: posix
gcc version 4.4.0 20080723 (experimental) (GCC)
--
Summary: bootstrap forever with BOOT_CFLAGS="-O2 -ftree-loop-
distribution"
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: tomby at gcc dot gnu dot org
GCC build triplet: x86_64-unknown-linux-gnu
GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36908
