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re PR tree-optimization/22404 (ICE in first_vi_for_offset)

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2005-07-11  Daniel Berlin  <dberlin@dberlin.org>

	* print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
	* tree.h (DECL_ARGUMENT_FLD): New macro.

2005-07-11  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR tree-optimization/22404

	* tree-ssa-structalias.c (create_variable_info_for): Use
	correct offset.

From-SVN: r101894
This commit is contained in:
Daniel Berlin 2005-07-11 18:28:36 +00:00 • committed by Daniel Berlin
parent ebde3ea873
commit 046a69e067
5 changed files with 30 additions and 1 deletions
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12
gcc/ChangeLog
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@ -1,3 +1,15 @@
2005-07-11 Daniel Berlin <dberlin@dberlin.org>
* print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
* tree.h (DECL_ARGUMENT_FLD): New macro.
2005-07-11 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/22404
* tree-ssa-structalias.c (create_variable_info_for): Use
correct offset.
2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,

2
gcc/print-tree.c
View file

@ -467,7 +467,7 @@ print_node (FILE *file, const char *prefix, tree node, int indent)
}
if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
{
print_node (file, "arguments", DECL_ARGUMENTS (node), indent + 4);
print_node (file, "arguments", DECL_ARGUMENT_FLD (node), indent + 4);
print_node (file, "result", DECL_RESULT_FLD (node), indent + 4);
}
print_node_brief (file, "initial", DECL_INITIAL (node), indent + 4);

15
gcc/testsuite/g++.dg/tree-ssa/pr22404.C Normal file
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@ -0,0 +1,15 @@
/* { dg-do compile } */
/* { dg-options "-O2" } */
/* We were not getting the offset of a in B and a in C::B correct,
causing an abort. */
struct A { A(); };
struct B : A
{
A a;
};
struct C : B { };
C c;

1
gcc/tree-ssa-structalias.c
View file

@ -3065,6 +3065,7 @@ create_variable_info_for (tree decl, const char *name)
field = fo->field;
vi->size = TREE_INT_CST_LOW (DECL_SIZE (field));
vi->offset = fo->offset;
for (i = 1; VEC_iterate (fieldoff_s, fieldstack, i, fo); i++)
{
varinfo_t newvi;

1
gcc/tree.h
View file

@ -2631,6 +2631,7 @@ struct tree_decl_non_common GTY(())
VAR_DECL and PARM_DECL reserve the arguments slot for language-specific
uses. */
#define DECL_ARGUMENTS(NODE) (FUNCTION_DECL_CHECK (NODE)->decl_non_common.arguments)
#define DECL_ARGUMENT_FLD(NODE) (DECL_NON_COMMON_CHECK (NODE)->decl_non_common.arguments)
/* FUNCTION_DECL inherits from DECL_NON_COMMON because of the use of the
arguments/result/saved_tree fields by front ends. It was either inherit