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* cfganal.c (flow_call_edges_add): Don't crash on noreturn call.

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From-SVN: r61007
This commit is contained in:
Richard Henderson 2003-01-07 12:14:51 -08:00 committed by Richard Henderson
parent b47ffb8f08
commit 94c040bd69
3 changed files with 15 additions and 5 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2003-01-07 Richard Henderson <rth@redhat.com>
* cfganal.c (flow_call_edges_add): Don't crash on noreturn call.
2003-01-07 Daniel Berlin <dberlin@dberlin.org>
* cfg.c: Include alloc-pool.h

11
gcc/cfganal.c
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@ -1,6 +1,6 @@
/* Control flow graph analysis code for GNU compiler.
Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000, 2001 Free Software Foundation, Inc.
1999, 2000, 2001, 2003 Free Software Foundation, Inc.
This file is part of GCC.
@ -322,10 +322,11 @@ flow_call_edges_add (blocks)
for (e = bb->succ; e; e = e->succ_next)
if (e->dest == EXIT_BLOCK_PTR)
break;
insert_insn_on_edge (gen_rtx_USE (VOIDmode, const0_rtx), e);
commit_edge_insertions ();
{
insert_insn_on_edge (gen_rtx_USE (VOIDmode, const0_rtx), e);
commit_edge_insertions ();
break;
}
}
}

5
gcc/testsuite/gcc.dg/20030107-1.c Normal file
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@ -0,0 +1,5 @@
/* { dg-do compile } */
/* { dg-options "-fprofile-arcs" } */
extern void bar(void) __attribute__((noreturn));
int foo (void) { bar(); }