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fold-const.c (size_binop): Don't asert inputs are the same and have TYPE_IS_SIZETYPE set.

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* fold-const.c (size_binop): Don't asert inputs are the same and
	have TYPE_IS_SIZETYPE set.
	(size_diffop): Likewise.

From-SVN: r32273
This commit is contained in:
Mark Mitchell 2000-03-01 00:54:49 +00:00 committed by Mark Mitchell
parent aa1e6de60c
commit 38769add25
3 changed files with 21 additions and 4 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2000-02-29 Mark Mitchell <mark@codesourcery.com>
* fold-const.c (size_binop): Don't asert inputs are the same and
have TYPE_IS_SIZETYPE set.
(size_diffop): Likewise.
2000-02-29 Jason Merrill <jason@casey.cygnus.com> 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
* dwarfout.c (output_block): Output abstract blocks even if they * dwarfout.c (output_block): Output abstract blocks even if they

8
gcc/fold-const.c
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@ -1868,8 +1868,8 @@ size_binop (code, arg0, arg1)
{ {
tree type = TREE_TYPE (arg0); tree type = TREE_TYPE (arg0);
if (type != TREE_TYPE (arg1) if (TREE_CODE (type) != INTEGER_TYPE
|| TREE_CODE (type) != INTEGER_TYPE || ! TYPE_IS_SIZETYPE (type)) || TREE_CODE (TREE_TYPE (arg1)) != INTEGER_TYPE)
abort (); abort ();
/* Handle the special case of two integer constants faster. */ /* Handle the special case of two integer constants faster. */
@ -1905,8 +1905,8 @@ size_diffop (arg0, arg1)
tree type = TREE_TYPE (arg0); tree type = TREE_TYPE (arg0);
tree ctype; tree ctype;
if (TREE_TYPE (arg1) != type || TREE_CODE (type) != INTEGER_TYPE if (TREE_CODE (type) != INTEGER_TYPE
|| ! TYPE_IS_SIZETYPE (type)) || TREE_CODE (TREE_TYPE (arg1)) != INTEGER_TYPE)
abort (); abort ();
/* If the type is already signed, just do the simple thing. */ /* If the type is already signed, just do the simple thing. */

11
gcc/testsuite/g++.old-deja/g++.other/crash13.C Normal file
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@ -0,0 +1,11 @@
struct Base_bitset {
unsigned M_w[2];
void M_do_right_shift();
};
void Base_bitset::M_do_right_shift ()
{
unsigned n = 0;
M_w[0] = M_w[n + 1] ;
}