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PR c++/85141 - ICE with compound assignment and static member fn.

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* typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
	compound assignment.

From-SVN: r259089
This commit is contained in:
Jason Merrill 2018-04-04 12:42:39 -04:00 committed by Jason Merrill
parent 239209c4c4
commit 7447f1d7e2
4 changed files with 18 additions and 2 deletions
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4
gcc/cp/ChangeLog
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@ -1,5 +1,9 @@
2018-04-04 Jason Merrill <jason@redhat.com>
PR c++/85141 - ICE with compound assignment and static member fn.
* typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
compound assignment.
PR c++/85148 - ICE with 'this' in array NSDMI.
* tree.c (replace_placeholders_r): Use handled_component_p.

2
gcc/cp/typeck.c
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@ -8083,7 +8083,7 @@ cp_build_modify_expr (location_t loc, tree lhs, enum tree_code modifycode,
side effect associated with any single compound assignment
operator. -- end note ] */
lhs = cp_stabilize_reference (lhs);
rhs = rvalue (rhs);
rhs = decay_conversion (rhs, complain);
if (rhs == error_mark_node)
return error_mark_node;
rhs = stabilize_expr (rhs, &init);

12
gcc/testsuite/g++.dg/expr/assign2.C Normal file
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@ -0,0 +1,12 @@
// PR c++/85141
// { dg-options "-w -fpermissive" }
struct A
{
static int foo();
};
void bar(int i)
{
i += A().foo;
}

2
gcc/testsuite/g++.dg/parse/crash60.C
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@ -10,5 +10,5 @@ void foo()
int result = 0;
M m;
result += m.pop(); // { dg-error "invalid operands|in evaluation" }
result += m.pop(); // { dg-error "" }
}