[Bug tree-optimization/56490] [4.7/4.8 Regression] -Wall triggering infinite loop

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56490

--- Comment #11 from Jakub Jelinek jakub at gcc dot gnu.org ---
Author: jakub
Date: Thu Mar  6 08:12:02 2014
New Revision: 208372

URL: http://gcc.gnu.org/viewcvs?rev=208372root=gccview=rev
Log:
* Makefile.in (tree-ssa-uninit.o): Depend on $(PARAMS_H).

Backport from mainline
2014-02-21  Jakub Jelinek  ja...@redhat.com

PR tree-optimization/56490
* params.def (PARAM_UNINIT_CONTROL_DEP_ATTEMPTS): New param.
* tree-ssa-uninit.c: Include params.h.
(compute_control_dep_chain): Add num_calls argument, return false
if it exceed PARAM_UNINIT_CONTROL_DEP_ATTEMPTS param, pass
num_calls to recursive call.
(find_predicates): Change dep_chain into normal array, add num_calls
variable and adjust compute_control_dep_chain caller.
(find_def_preds): Likewise.

Modified:
branches/gcc-4_8-branch/gcc/ChangeLog
branches/gcc-4_8-branch/gcc/Makefile.in
branches/gcc-4_8-branch/gcc/params.def
branches/gcc-4_8-branch/gcc/tree-ssa-uninit.c

[Bug tree-optimization/56490] [4.7/4.8 Regression] -Wall triggering infinite loop

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56490

Jakub Jelinek jakub at gcc dot gnu.org changed:

   What|Removed |Added

  Known to work||4.9.0
Summary|[4.7/4.8/4.9 Regression]|[4.7/4.8 Regression] -Wall
   |-Wall triggering infinite   |triggering infinite loop
   |loop|

--- Comment #10 from Jakub Jelinek jakub at gcc dot gnu.org ---
Hopefully fixed/worked around on the trunk.