2013-04-19 Richard Biener <rguenther@suse.de>
commita5ef9e4d15873ba8601a3e29bffc688f78f851b1
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 19 Apr 2013 13:39:16 +0000 (19 13:39 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 19 Apr 2013 13:39:16 +0000 (19 13:39 +0000)
treecfb5aede3dc10b27de8a955ca7bcb7bff5699aa4
parent678e3d6ec97f2cc186262d72c485f32f10b92c40
2013-04-19  Richard Biener  <rguenther@suse.de>

PR tree-optimization/56982
* builtins.def (BUILT_IN_LONGJMP): longjmp is not a leaf
function.
* gimplify.c (gimplify_call_expr): Notice special calls.
(gimplify_modify_expr): Likewise.
* tree-cfg.c (make_abnormal_goto_edges): Handle setjmp-like
abnormal control flow receivers.
(call_can_make_abnormal_goto): Handle cfun->calls_setjmp
in the same way as cfun->has_nonlocal_labels.
(gimple_purge_dead_abnormal_call_edges): Likewise.
(stmt_starts_bb_p): Make setjmp-like abnormal control flow
receivers start a basic-block.

* gcc.c-torture/execute/pr56982.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@198096 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/builtins.def
gcc/gimplify.c
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.c-torture/execute/pr56982.c [new file with mode: 0644]
gcc/tree-cfg.c