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re PR c++/28479 (cc1plus just sits there eating CPU and RAM for a simple program)

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2006-08-02  Richard Guenther  <rguenther@suse.de>

      PR c++/28479
      Revert
      2006-07-05  Richard Guenther  <rguenther@suse.de>
      Andrew Pinski  <pinskia@gcc.gnu.org>

      PR c++/27084
      * cp-objcp-common.c (cxx_types_compatible_p): Ignore
      top level qualifiers for pointer type comparisons.

      * g++.dg/tree-ssa/copyprop-1.C: XFAIL.

From-SVN: r115887
This commit is contained in:
Richard Guenther 2006-08-02 20:48:59 +00:00 • committed by Richard Biener
parent 6f67f00022
commit cfc581fe44
4 changed files with 17 additions and 3 deletions
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11
gcc/cp/ChangeLog
View file

@ -1,3 +1,14 @@
2006-08-02 Richard Guenther <rguenther@suse.de>
PR c++/28479
Revert
2006-07-05 Richard Guenther <rguenther@suse.de>
Andrew Pinski <pinskia@gcc.gnu.org>
PR c++/27084
* cp-objcp-common.c (cxx_types_compatible_p): Ignore
top level qualifiers for pointer type comparisons.
2006-08-02 Mark Mitchell <mark@codesourcery.com>
PR c++/28557

3
gcc/cp/cp-objcp-common.c
View file

@ -179,8 +179,7 @@ cxx_types_compatible_p (tree x, tree y)
if (POINTER_TYPE_P (x) && POINTER_TYPE_P (y)
&& TYPE_MODE (x) == TYPE_MODE (y)
&& TYPE_REF_CAN_ALIAS_ALL (x) == TYPE_REF_CAN_ALIAS_ALL (y)
&& same_type_ignoring_top_level_qualifiers_p (TREE_TYPE (x),
TREE_TYPE (y)))
&& same_type_p (TREE_TYPE (x), TREE_TYPE (y)))
return 1;
return 0;

4
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,7 @@
2006-08-02 Richard Guenther <rguenther@suse.de>
* g++.dg/tree-ssa/copyprop-1.C: XFAIL.
2006-08-02 Mark Mitchell <mark@codesourcery.com>
PR c++/28557

2
gcc/testsuite/g++.dg/tree-ssa/copyprop-1.C
View file

@ -25,5 +25,5 @@ int foo(Object&o)
return o[0];
}
/* { dg-final { scan-tree-dump-not ".* = \[^>;\]*;" "dce2" } } */
/* { dg-final { scan-tree-dump-not ".* = \[^>;\]*;" "dce2" { xfail *-*-* } } } */
/* { dg-final { cleanup-tree-dump "dce2" } } */