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PR c++/84665 - ICE with array of empty class.

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* decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.

From-SVN: r259132
This commit is contained in:
Jason Merrill 2018-04-05 12:04:08 -04:00 • committed by Jason Merrill
parent 4cbe585c99
commit 68218b64ed
3 changed files with 14 additions and 1 deletions
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3
gcc/cp/ChangeLog
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@ -1,5 +1,8 @@
2018-04-05 Jason Merrill <jason@redhat.com>
PR c++/84665 - ICE with array of empty class.
* decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
PR c++/85228 - ICE with lambda in enumerator in template.
* pt.c (bt_instantiate_type_proc): Don't assume
CLASSTYPE_TEMPLATE_INFO is non-null.

2
gcc/cp/decl2.c
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@ -1416,7 +1416,7 @@ cp_check_const_attributes (tree attributes)
{
tree expr = TREE_VALUE (arg);
if (EXPR_P (expr))
TREE_VALUE (arg) = maybe_constant_value (expr);
TREE_VALUE (arg) = fold_non_dependent_expr (expr);
}
}
}

10
gcc/testsuite/g++.dg/ext/attr-noinline-4.C Normal file
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@ -0,0 +1,10 @@
// PR c++/84665
struct S {} a[1];
template <int N>
void
foo ()
{
__attribute__ ((noinline (a[0]))) int c = 0; // { dg-error "wrong number of arguments" }
}