summaryrefslogtreecommitdiff
path: root/gcc/tree-eh.c
diff options
context:
space:
mode:
authorsayle <sayle@138bc75d-0d04-0410-961f-82ee72b054a4>2005-02-17 22:32:29 +0000
committersayle <sayle@138bc75d-0d04-0410-961f-82ee72b054a4>2005-02-17 22:32:29 +0000
commit86b16df304c6d769513c08990d5c4cd46ec14098 (patch)
treee9ef6bd5ecb20983f0c0ae646bc2bfd807cae4e6 /gcc/tree-eh.c
parent62402a04aade33d3cc9cfa851b5d4b3cab4fd4bb (diff)
downloadgcc-86b16df304c6d769513c08990d5c4cd46ec14098.tar.gz
PR tree-optimization/19917
* tree-eh.c (tree_could_trap_p): Consider calls to weak functions to be potentially trapping. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@95200 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-eh.c')
-rw-r--r--gcc/tree-eh.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/tree-eh.c b/gcc/tree-eh.c
index 20660e4e279..34c5cab921c 100644
--- a/gcc/tree-eh.c
+++ b/gcc/tree-eh.c
@@ -1840,6 +1840,13 @@ tree_could_trap_p (tree expr)
return true;
return false;
+ case CALL_EXPR:
+ t = get_callee_fndecl (expr);
+ /* Assume that calls to weak functions may trap. */
+ if (!t || !DECL_P (t) || DECL_WEAK (t))
+ return true;
+ return false;
+
default:
/* Any floating arithmetic may trap. */
if (fp_operation && flag_trapping_math)