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re PR debug/42897 (yet another ice in verify_ssa) 

PR debug/42897
* gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
permanently.

From-SVN: r157259
This commit is contained in:
Alexandre Oliva 2010-03-06 20:30:10 +00:00 committed by Alexandre Oliva
parent aba09491c2
commit cd6549e843
3 changed files with 12 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2010-03-06 Alexandre Oliva <aoliva@redhat.com>
PR debug/42897
* gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
permanently.
2010-03-06 Alexandre Oliva <aoliva@redhat.com> 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
PR debug/42897 PR debug/42897

3
gcc/gimple-iterator.c
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@ -474,7 +474,8 @@ gsi_remove (gimple_stmt_iterator *i, bool remove_permanently)
gimple_seq_node cur, next, prev; gimple_seq_node cur, next, prev;
gimple stmt = gsi_stmt (*i); gimple stmt = gsi_stmt (*i);
insert_debug_temps_for_defs (i); if (gimple_code (stmt) != GIMPLE_PHI)
insert_debug_temps_for_defs (i);
/* Free all the data flow information for STMT. */ /* Free all the data flow information for STMT. */
gimple_set_bb (stmt, NULL); gimple_set_bb (stmt, NULL);

4
gcc/tree-phinodes.c
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@ -473,6 +473,10 @@ void
remove_phi_node (gimple_stmt_iterator *gsi, bool release_lhs_p) remove_phi_node (gimple_stmt_iterator *gsi, bool release_lhs_p)
{ {
gimple phi = gsi_stmt (*gsi); gimple phi = gsi_stmt (*gsi);
if (release_lhs_p)
insert_debug_temps_for_defs (gsi);
gsi_remove (gsi, false); gsi_remove (gsi, false);
/* If we are deleting the PHI node, then we should release the /* If we are deleting the PHI node, then we should release the