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author | Richard Biener <rguenther@suse.de> | 2017-02-01 12:47:25 +0000 |
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committer | Richard Biener <rguenth@gcc.gnu.org> | 2017-02-01 12:47:25 +0000 |
commit | 1e7ef862ac809db0f6b9dfb746a12e27b7098194 (patch) | |
tree | 77929da05e27174ece26f2fdae72cad96f8f0b27 /gcc/tree-cfg.c | |
parent | 11d10beb5762c48de90a004368df2c2863b33d7a (diff) | |
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re PR tree-optimization/79315 (ICE while building SPEC CPU 2006 FP with -Ofast -ftree-parallelize-loops)
2017-02-01 Richard Biener <rguenther@suse.de>
PR middle-end/79315
* tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
was not set before.
* gfortran.dg/pr79315.f90: New testcase.
From-SVN: r245089
Diffstat (limited to 'gcc/tree-cfg.c')
-rw-r--r-- | gcc/tree-cfg.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index 315d0e1..a540416 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -6636,11 +6636,12 @@ move_stmt_op (tree *tp, int *walk_subtrees, void *data) if (EXPR_P (t)) { tree block = TREE_BLOCK (t); - if (block == p->orig_block - || (p->orig_block == NULL_TREE - && block != NULL_TREE)) + if (block == NULL_TREE) + ; + else if (block == p->orig_block + || p->orig_block == NULL_TREE) TREE_SET_BLOCK (t, p->new_block); - else if (flag_checking && block != NULL_TREE) + else if (flag_checking) { while (block && TREE_CODE (block) == BLOCK && block != p->orig_block) block = BLOCK_SUPERCONTEXT (block); |