re PR debug/46782 (-fcompare-debug failure (length) with -fvar-tracking)
gcc/ChangeLog: PR debug/46782 * cfgcleanup.c (try_forward_edges): Skip debug insns. gcc/testsuite/ChangeLog: PR debug/46782 * gcc.dg/debug/pr46782.c: New. From-SVN: r167737
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@ -1,3 +1,8 @@
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2010-12-13 Alexandre Oliva <aoliva@redhat.com>
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PR debug/46782
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* cfgcleanup.c (try_forward_edges): Skip debug insns.
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2010-12-12 Jan Hubicka <jh@suse.cz>
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2010-12-12 Jan Hubicka <jh@suse.cz>
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Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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@ -487,11 +487,17 @@ try_forward_edges (int mode, basic_block b)
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new_target = NULL;
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new_target = NULL;
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else
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else
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{
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{
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rtx last;
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if (new_locus)
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if (new_locus)
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locus = new_locus;
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locus = new_locus;
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new_locus = INSN_P (BB_END (target))
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last = BB_END (target);
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? INSN_LOCATOR (BB_END (target)) : 0;
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if (DEBUG_INSN_P (last))
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last = prev_nondebug_insn (last);
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new_locus = last && INSN_P (last)
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? INSN_LOCATOR (last) : 0;
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if (new_locus && locus && !locator_eq (new_locus, locus))
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if (new_locus && locus && !locator_eq (new_locus, locus))
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new_target = NULL;
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new_target = NULL;
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@ -1,3 +1,8 @@
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2010-12-13 Alexandre Oliva <aoliva@redhat.com>
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PR debug/46782
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* gcc.dg/debug/pr46782.c: New.
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2010-12-12 Janus Weil <janus@gcc.gnu.org>
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2010-12-12 Janus Weil <janus@gcc.gnu.org>
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PR fortran/46809
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PR fortran/46809
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@ -0,0 +1,11 @@
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/* PR debug/46782 */
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/* { dg-do compile } */
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/* { dg-options "-w -O0 -fvar-tracking -fcompare-debug" } */
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void foo (int i)
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{
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if (i)
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i++;
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while (i)
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;
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}
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