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re PR rtl-optimization/55158 (segfault in schedule_region at -O3)
authorSteven Bosscher <steven@gcc.gnu.org>
Sat, 8 Dec 2012 12:12:50 +0000 (12:12 +0000)
committerSteven Bosscher <steven@gcc.gnu.org>
Sat, 8 Dec 2012 12:12:50 +0000 (12:12 +0000)
commit28ea163c41fc5ca58c6e9368ece155e42ecd9cc7
tree3acf587d99ca8dc03d7815cf30f37b0b182d72detree
parent54625ca1213528d64717d1a95163a2613151beb7commit | diff
re PR rtl-optimization/55158 (segfault in schedule_region at -O3)

PR rtl-optimization/55158
* sched-rgn.c (bb_state_array, bb_state): Add some explaining
comment, and initialize to NULL explicitly.
(realloc_bb_state_array): New function.
(free_bb_state_array): New function.
(schedule_region): Call realloc_bb_state_array after schedule_block.
(sched_rgn_init): Use realloc_bb_state_array to initialize bb_state.
(sched_rgn_finish): Use free_bb_state_array to free it.

From-SVN: r194322
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