FreeChainXenon/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

cvt.c (cp_convert_to_pointer): Call force_fit_type for null pointers.

Browse source 
* cvt.c (cp_convert_to_pointer): Call force_fit_type for null
        pointers.

From-SVN: r55272
This commit is contained in:
Jason Merrill 2002-07-05 18:10:25 -04:00 • committed by Jason Merrill
parent 4c8aed1419
commit 212e17fd89
3 changed files with 19 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
gcc/cp/ChangeLog
View file

@ -1,5 +1,8 @@
2002-07-05 Jason Merrill <jason@redhat.com>
* cvt.c (cp_convert_to_pointer): Call force_fit_type for null
pointers.
PR optimization/7145
* tree.c (cp_copy_res_decl_for_inlining): Also copy DECL_INITIAL.

2
gcc/cp/cvt.c
View file

@ -252,6 +252,8 @@ cp_convert_to_pointer (type, expr, force)
else
expr = build_int_2 (0, 0);
TREE_TYPE (expr) = type;
/* Fix up the representation of -1 if appropriate. */
force_fit_type (expr, 0);
return expr;
}

14
gcc/testsuite/g++.dg/other/ptrmem3.C Normal file
View file

@ -0,0 +1,14 @@
// Bug: The double cast had an TREE_INT_CST_HIGH of 0, while the single
// cast had -1, so the comparison failed.
// { dg-do run }
struct A { };
typedef int A::* aip;
typedef long A::* alp;
int main()
{
return ((aip)(alp)0 != (aip)0);
}