f6b64c3501
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. From-SVN: r198096 |
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