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| author | Richard Biener <rguenther@suse.de> | 2016-05-06 12:53:26 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2016-05-06 12:53:26 +0000 |
| commit | ab4ccf2094a0fa373049a32aad9e3ce3ca80e395 (patch) | |
| tree | 6a10a3ad63cccc6daa182afb73afb3b1061e86c8 /gcc | |
| parent | 19aa23d84ee1f001e748f8f8a6da9982dcc30a39 (diff) | |
| download | gcc-ab4ccf2094a0fa373049a32aad9e3ce3ca80e395.zip gcc-ab4ccf2094a0fa373049a32aad9e3ce3ca80e395.tar.gz gcc-ab4ccf2094a0fa373049a32aad9e3ce3ca80e395.tar.bz2 | |
re PR tree-optimization/70948 (r235622 caused gcc.c-torture/execute/va-arg-pack-1.c execution failure AArch64)
2016-05-06 Richard Biener <rguenther@suse.de>
PR tree-optimization/70948
* tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
Properly clobber all fields of va_list for __builtin_va_start.
From-SVN: r235963
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-structalias.c | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8f3679a..4f7ad75 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2016-05-06 Richard Biener <rguenther@suse.de> + + PR tree-optimization/70948 + * tree-ssa-structalias.c (find_func_aliases_for_builtin_call): + Properly clobber all fields of va_list for __builtin_va_start. + 2016-05-06 Yuri Rumyantsev <ysrumyan@gmail.com> PR debug/70935 diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index d66bdfa..3956efd 100644 --- a/gcc/tree-ssa-structalias.c +++ b/gcc/tree-ssa-structalias.c @@ -4492,7 +4492,7 @@ find_func_aliases_for_builtin_call (struct function *fn, gcall *t) tree valist = gimple_call_arg (t, 0); struct constraint_expr rhs, *lhsp; unsigned i; - get_constraint_for (valist, &lhsc); + get_constraint_for_ptr_offset (valist, NULL_TREE, &lhsc); do_deref (&lhsc); /* The va_list gets access to pointers in variadic arguments. Which we know in the case of IPA analysis |