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| author | Jakub Jelinek <jakub@redhat.com> | 2009-07-09 13:19:22 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2009-07-09 13:19:22 +0200 |
| commit | b9da76de89731a1f9be1d256157dfec4cdf5d323 (patch) | |
| tree | ef158423e9e6bf499dd3aa0f69fbbffcf173b836 /gcc/fold-const.c | |
| parent | d175a2fa7c0abcf211c2522eaf01361ea3a6a7ce (diff) | |
| download | gcc-b9da76de89731a1f9be1d256157dfec4cdf5d323.zip gcc-b9da76de89731a1f9be1d256157dfec4cdf5d323.tar.gz gcc-b9da76de89731a1f9be1d256157dfec4cdf5d323.tar.bz2 | |
re PR middle-end/40692 (Endless recursion between fold_ternary and fold_cond_expr_with_comparison)
PR middle-end/40692
* fold-const.c (fold_cond_expr_with_comparison): Don't replace
arg1 with arg01 if arg1 is already INTEGER_CST.
* gcc.c-torture/compile/pr40692.c: New test.
From-SVN: r149418
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 670fa45..f3e0614 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -5303,6 +5303,8 @@ fold_cond_expr_with_comparison (tree type, tree arg0, tree arg1, tree arg2) switch (comp_code) { case EQ_EXPR: + if (TREE_CODE (arg1) == INTEGER_CST) + break; /* We can replace A with C1 in this case. */ arg1 = fold_convert (type, arg01); return fold_build3 (COND_EXPR, type, arg0, arg1, arg2); |