OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

re PR c++/65525 (ICE: sorry, unimplemented: unexpected AST of kind mem_ref (-std=c++14, ICE: in potential_constant_expression_1, at cp/constexpr.c:4432)) 

PR c++/65525
	* constexpr.c (potential_constant_expression_1): Handle MEM_REF.

From-SVN: r221699
This commit is contained in:
Jason Merrill 2015-03-26 13:58:39 -04:00 committed by Jason Merrill
parent ef99b3de9f
commit 41b38772cc
3 changed files with 28 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
gcc/cp/ChangeLog
View File

@ -1,3 +1,8 @@
2015-03-26 Jason Merrill <jason@redhat.com>
PR c++/65525
* constexpr.c (potential_constant_expression_1): Handle MEM_REF.
2015-03-25 Marek Polacek <polacek@redhat.com>
PR c++/65558

1
gcc/cp/constexpr.c
View File

@ -4395,6 +4395,7 @@ potential_constant_expression_1 (tree t, bool want_rval, bool strict,
case ARRAY_RANGE_REF:
case MEMBER_REF:
case DOTSTAR_EXPR:
case MEM_REF:
binary:
for (i = 0; i < 2; ++i)
if (!RECUR (TREE_OPERAND (t, i), want_rval))

22
gcc/testsuite/g++.dg/parse/assign1.C Normal file
View File

@ -0,0 +1,22 @@
// PR c++/65525
struct A
{
int x;
char y; // Actually, short and bool (types smaller than int?) trigger this ICE too
// Also: the problem doesn't occur if you put the smaller type first, e.g. "char x; int y;"
A(int x) {} // custom ctor needed for ICE
};
int main()
{
A a(0), x(1), y(2);
x = a; // OK
y = a; // OK
x = y = a; // ICE: sorry, unimplemented: unexpected AST of kind mem_ref
// internal compiler error: in potential_constant_expression_1, at cp/constexpr.c:4432
return 0;
}