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re PR c++/86240 (ice: unexpected expression absu_expr)

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PR c++/86240
	* constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
	(fold_simple_1): Likewise.
	* error.c (dump_expr): Likewise.

	* g++.dg/pr86240.C: New test.

From-SVN: r261809
This commit is contained in:
Marek Polacek 2018-06-20 15:46:02 +00:00 • committed by Marek Polacek
parent 125fe9abf3
commit e28fadbc06
5 changed files with 27 additions and 0 deletions
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7
gcc/cp/ChangeLog
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@ -1,3 +1,10 @@
2018-06-20 Marek Polacek <polacek@redhat.com>
PR c++/86240
* constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
(fold_simple_1): Likewise.
* error.c (dump_expr): Likewise.
2018-06-20 Nathan Sidwell <nathan@acm.org>
PR c++/85634

2
gcc/cp/constexpr.c
View file

@ -4412,6 +4412,7 @@ cxx_eval_constant_expression (const constexpr_ctx *ctx, tree t,
case FLOAT_EXPR:
case NEGATE_EXPR:
case ABS_EXPR:
case ABSU_EXPR:
case BIT_NOT_EXPR:
case TRUTH_NOT_EXPR:
case FIXED_CONVERT_EXPR:
@ -5056,6 +5057,7 @@ fold_simple_1 (tree t)
return fold_sizeof_expr (t);
case ABS_EXPR:
case ABSU_EXPR:
case CONJ_EXPR:
case REALPART_EXPR:
case IMAGPART_EXPR:

1
gcc/cp/error.c
View file

@ -2764,6 +2764,7 @@ dump_expr (cxx_pretty_printer *pp, tree t, int flags)
case VEC_DELETE_EXPR:
case MODOP_EXPR:
case ABS_EXPR:
case ABSU_EXPR:
case CONJ_EXPR:
case VECTOR_CST:
case FIXED_CST:

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2018-06-20 Marek Polacek <polacek@redhat.com>
PR c++/86240
* g++.dg/pr86240.C: New test.
2018-06-20 Jakub Jelinek <jakub@redhat.com>
PR debug/86194

12
gcc/testsuite/g++.dg/pr86240.C Normal file
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@ -0,0 +1,12 @@
// { dg-do compile }
extern "C" int abs (int);
struct a {
short b;
} e;
short c;
bool
foo ()
{
return abs(c) >= e.b;
}