diff options
| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-04-17 02:22:57 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-04-17 02:22:57 +0000 |
| commit | 89ae81e0c119ac4365d3cd947c8f3da976acf1e4 (patch) | |
| tree | e83569f9f053202fd911a7bd3c28f928d43fec95 /gcc/ipa.c | |
| parent | e4b851a3643e241d70d9ce239b72963a700895a6 (diff) | |
| download | gcc-89ae81e0c119ac4365d3cd947c8f3da976acf1e4.tar.gz | |
PR ipa/60854
* ipa.c (symtab_remove_unreachable_nodes): Mark targets of
external aliases alive, too.
* g++.dg/torture/pr60854.C: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@209459 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ipa.c')
| -rw-r--r-- | gcc/ipa.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/gcc/ipa.c b/gcc/ipa.c index 26e9b03b9bd..3d82a39286c 100644 --- a/gcc/ipa.c +++ b/gcc/ipa.c @@ -415,7 +415,18 @@ symtab_remove_unreachable_nodes (bool before_inlining_p, FILE *file) || !DECL_EXTERNAL (e->callee->decl) || e->callee->alias || before_inlining_p)) - pointer_set_insert (reachable, e->callee); + { + /* Be sure that we will not optimize out alias target + body. */ + if (DECL_EXTERNAL (e->callee->decl) + && e->callee->alias + && before_inlining_p) + { + pointer_set_insert (reachable, + cgraph_function_node (e->callee)); + } + pointer_set_insert (reachable, e->callee); + } enqueue_node (e->callee, &first, reachable); } |