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| author | Martin Sebor <msebor@redhat.com> | 2018-06-13 20:29:04 +0000 |
|---|---|---|
| committer | Martin Sebor <msebor@gcc.gnu.org> | 2018-06-13 14:29:04 -0600 |
| commit | a7bf6c088934ef39a937069fca7408c7f540c551 (patch) | |
| tree | 07550cd4b992b1eb84936c13801494f6fe66c2e1 /gcc/gimple-fold.c | |
| parent | eb04ee1d0f23b14c251a850f2a26429d324b1f6f (diff) | |
| download | gcc-a7bf6c088934ef39a937069fca7408c7f540c551.zip gcc-a7bf6c088934ef39a937069fca7408c7f540c551.tar.gz gcc-a7bf6c088934ef39a937069fca7408c7f540c551.tar.bz2 | |
PR tree-optimization/86114 - ICE in gimple_fold_builtin_strlen with an invalid call to strnlen
gcc/testsuite/ChangeLog:
PR tree-optimization/86114
* gcc.dg/pr86114.c: New test.
gcc/ChangeLog:
PR tree-optimization/86114
* gimple-fold.c (gimple_fold_builtin_strlen): Only handle LHS
of integer types.
* tree-ssa-strlen.c (maybe_set_strlen_range): Same.
From-SVN: r261567
Diffstat (limited to 'gcc/gimple-fold.c')
| -rw-r--r-- | gcc/gimple-fold.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/gimple-fold.c b/gcc/gimple-fold.c index c1d8442..a01bce7 100644 --- a/gcc/gimple-fold.c +++ b/gcc/gimple-fold.c @@ -3538,9 +3538,10 @@ gimple_fold_builtin_strlen (gimple_stmt_iterator *gsi) return true; } - tree lhs = gimple_call_lhs (stmt); - if (lhs && TREE_CODE (lhs) == SSA_NAME) - set_range_info (lhs, VR_RANGE, minlen, maxlen); + if (tree lhs = gimple_call_lhs (stmt)) + if (TREE_CODE (lhs) == SSA_NAME + && INTEGRAL_TYPE_P (TREE_TYPE (lhs))) + set_range_info (lhs, VR_RANGE, minlen, maxlen); return false; } |