diff options
| author | Richard Guenther <rguenther@suse.de> | 2011-08-03 11:09:35 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2011-08-03 11:09:35 +0000 |
| commit | eb723fa314a09f6cf8708f8243a436ff9475558c (patch) | |
| tree | 966a3e686084e32bc32a1287ab3ad9e51e3c3d7f /gcc/tree-scalar-evolution.c | |
| parent | 0187b60e160e72673f1116a215ca257e11ba3903 (diff) | |
| download | gcc-eb723fa314a09f6cf8708f8243a436ff9475558c.zip gcc-eb723fa314a09f6cf8708f8243a436ff9475558c.tar.gz gcc-eb723fa314a09f6cf8708f8243a436ff9475558c.tar.bz2 | |
re PR middle-end/49938 (ICE in interpret_loop_phi, at tree-scalar-evolution.c:1645)
2011-08-03 Richard Guenther <rguenther@suse.de>
PR tree-optimization/49938
* tree-scalar-evolution.c (interpret_loop_phi): Gracefully
deal with a POLYNOMIAL_CHREC.
* g++.dg/torture/pr49938.C: New testcase.
From-SVN: r177267
Diffstat (limited to 'gcc/tree-scalar-evolution.c')
| -rw-r--r-- | gcc/tree-scalar-evolution.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/tree-scalar-evolution.c b/gcc/tree-scalar-evolution.c index 00fcd3f..10aaba4 100644 --- a/gcc/tree-scalar-evolution.c +++ b/gcc/tree-scalar-evolution.c @@ -1642,8 +1642,8 @@ interpret_loop_phi (struct loop *loop, gimple loop_phi_node) else if (TREE_CODE (res) == POLYNOMIAL_CHREC) new_init = CHREC_LEFT (res); STRIP_USELESS_TYPE_CONVERSION (new_init); - gcc_assert (TREE_CODE (new_init) != POLYNOMIAL_CHREC); - if (!operand_equal_p (init_cond, new_init, 0)) + if (TREE_CODE (new_init) == POLYNOMIAL_CHREC + || !operand_equal_p (init_cond, new_init, 0)) return chrec_dont_know; } |