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| author | Richard Guenther <rguenther@suse.de> | 2008-08-31 13:39:26 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2008-08-31 13:39:26 +0000 |
| commit | 2b2587f577ebc08d489132307517f5bb9fb35346 (patch) | |
| tree | 1b10c7db6ee3b9634eca1ea1b3b6e7593223402b /gcc/fold-const.c | |
| parent | fb2fed03b680e2421f24ed33e3ab7dc8f03797cc (diff) | |
| download | gcc-2b2587f577ebc08d489132307517f5bb9fb35346.zip gcc-2b2587f577ebc08d489132307517f5bb9fb35346.tar.gz gcc-2b2587f577ebc08d489132307517f5bb9fb35346.tar.bz2 | |
re PR middle-end/37289 (ICE after non-trivial conversion at assignment)
2008-08-31 Richard Guenther <rguenther@suse.de>
PR middle-end/37289
* fold-const.c (fold_binary): Retain conversions in folding
~A + 1 to -A.
* gcc.dg/pr37289.c: New testcase.
From-SVN: r139831
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index ae66ad4..561fb80 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -9498,7 +9498,8 @@ fold_binary (enum tree_code code, tree type, tree op0, tree op1) /* Convert ~A + 1 to -A. */ if (TREE_CODE (arg0) == BIT_NOT_EXPR && integer_onep (arg1)) - return fold_build1 (NEGATE_EXPR, type, TREE_OPERAND (arg0, 0)); + return fold_build1 (NEGATE_EXPR, type, + fold_convert (type, TREE_OPERAND (arg0, 0))); /* ~X + X is -1. */ if (TREE_CODE (arg0) == BIT_NOT_EXPR |