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| author | Richard Biener <rguenther@suse.de> | 2016-02-16 08:39:22 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2016-02-16 08:39:22 +0000 |
| commit | c8cfe96e193f91077b97f2ca8605b83628a01448 (patch) | |
| tree | 813da904ace6703c7f25712c14dc6a21058b6ea9 /gcc/fold-const.c | |
| parent | 1262f780f42ca9c2c444e3d118a8721e62479559 (diff) | |
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re PR tree-optimization/69801 (gcc ICE on valid code on x86_64-linux-gnu in "operand_equal_p")
2016-02-16 Richard Biener <rguenther@suse.de>
PR middle-end/69801
* fold-const.c (operand_equal_p): For COND_EXPR zero operand
mask OEP_ADDRESS_OF.
* gcc.dg/pr69801.c: New testcase.
From-SVN: r233444
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index e34bc81..4992f4b 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -3118,6 +3118,11 @@ operand_equal_p (const_tree arg0, const_tree arg1, unsigned int flags) TREE_OPERAND (arg1, 0), flags)); case COND_EXPR: + if (! OP_SAME (1) || ! OP_SAME (2)) + return 0; + flags &= ~OEP_ADDRESS_OF; + return OP_SAME (0); + case VEC_COND_EXPR: case DOT_PROD_EXPR: return OP_SAME (0) && OP_SAME (1) && OP_SAME (2); |