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| author | Richard Biener <rguenther@suse.de> | 2018-05-23 09:06:01 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2018-05-23 09:06:01 +0000 |
| commit | 72cfbeae2b8dbc10e2738f5ccbe6328ac2111ddf (patch) | |
| tree | 9e5838cd4a2127e1b80ca8c7f9ca6d0c9cdbb425 /gcc/tree-data-ref.c | |
| parent | ad4f3f5d4eb21c886b168a092cc7e5860e3b3119 (diff) | |
| download | gcc-72cfbeae2b8dbc10e2738f5ccbe6328ac2111ddf.zip gcc-72cfbeae2b8dbc10e2738f5ccbe6328ac2111ddf.tar.gz gcc-72cfbeae2b8dbc10e2738f5ccbe6328ac2111ddf.tar.bz2 | |
re PR middle-end/85874 (gcc points to wrong location when displaying warning for strict overflow warning)
2018-05-23 Richard Biener <rguenther@suse.de>
PR middle-end/85874
* tree-data-ref.c (create_runtime_alias_checks): Defer
and ignore overflow warnings.
* gcc.dg/Wstrict-overflow-27.c: New testcase.
From-SVN: r260569
Diffstat (limited to 'gcc/tree-data-ref.c')
| -rw-r--r-- | gcc/tree-data-ref.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/tree-data-ref.c b/gcc/tree-data-ref.c index e2107fe..0917d6d 100644 --- a/gcc/tree-data-ref.c +++ b/gcc/tree-data-ref.c @@ -1918,6 +1918,7 @@ create_runtime_alias_checks (struct loop *loop, { tree part_cond_expr; + fold_defer_overflow_warnings (); for (size_t i = 0, s = alias_pairs->length (); i < s; ++i) { const dr_with_seg_len& dr_a = (*alias_pairs)[i].first; @@ -1940,6 +1941,7 @@ create_runtime_alias_checks (struct loop *loop, else *cond_expr = part_cond_expr; } + fold_undefer_and_ignore_overflow_warnings (); } /* Check if OFFSET1 and OFFSET2 (DR_OFFSETs of some data-refs) are identical |