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re PR tree-optimization/18763 (Gcc failed to bootstrap with --disable-checking)

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2004-12-01  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/18763
        PR tree-opt/18746
        * tree-ssa-alias.c (init_alias_info): Get statement operands for all
        the statements if aliases_computed_p is true.

From-SVN: r91589
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Andrew Pinski 2004-12-01 23:53:17 +00:00 committed by Andrew Pinski
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commit a912a223f3
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2004-12-01 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/18763
PR tree-opt/18746
* tree-ssa-alias.c (init_alias_info): Get statement operands for all
the statements if aliases_computed_p is true.
2004-12-01 Mark Mitchell <mark@codesourcery.com>
* Makefile.in (WERROR): New variable.

14
gcc/tree-ssa-alias.c
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@ -438,6 +438,20 @@ init_alias_info (void)
{
unsigned i;
bitmap_iterator bi;
basic_block bb;
/* Make sure that every statement has a valid set of operands.
If a statement needs to be scanned for operands while we
compute aliases, it may get erroneous operands because all
the alias relations are not built at that point.
FIXME: This code will become obsolete when operands are not
lazily updated. */
FOR_EACH_BB (bb)
{
block_stmt_iterator si;
for (si = bsi_start (bb); !bsi_end_p (si); bsi_next (&si))
get_stmt_operands (bsi_stmt (si));
}
/* Clear the call-clobbered set. We are going to re-discover
call-clobbered variables. */