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re PR c++/58647 (ICE with function pointer)

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/cp
2013-11-27  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58647
	* semantics.c (cxx_eval_constant_expression, [COMPONENT_REF]):
	Handle function COMPONENT_REFs.

/testsuite
2013-11-27  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58647
	* g++.dg/parse/crash66.C: New.

From-SVN: r205449
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Paolo Carlini 2013-11-27 15:55:18 +00:00 committed by Paolo Carlini
parent 2e25208425
commit 6f831b6df7
4 changed files with 32 additions and 0 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2013-11-27 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/58647
* semantics.c (cxx_eval_constant_expression, [COMPONENT_REF]):
Handle function COMPONENT_REFs.
2013-11-27 Aldy Hernandez <aldyh@redhat.com>
Jakub Jelinek <jakub@redhat.com>

10
gcc/cp/semantics.c
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@ -9603,6 +9603,16 @@ cxx_eval_constant_expression (const constexpr_call *call, tree t,
break;
case COMPONENT_REF:
if (is_overloaded_fn (t))
{
/* We can only get here in checking mode via
build_non_dependent_expr, because any expression that
calls or takes the address of the function will have
pulled a FUNCTION_DECL out of the COMPONENT_REF. */
gcc_checking_assert (allow_non_constant);
*non_constant_p = true;
return t;
}
r = cxx_eval_component_reference (call, t, allow_non_constant, addr,
non_constant_p, overflow_p);
break;

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2013-11-27 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/58647
* g++.dg/parse/crash66.C: New.
2013-11-27 Kenneth Zadeck <zadeck@naturalbridge.com>
* gcc.dg/c90-const-expr-8.c: Look for overflow on INT_MIN % -1.

11
gcc/testsuite/g++.dg/parse/crash66.C Normal file
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@ -0,0 +1,11 @@
// PR c++/58647
struct A
{
static void foo();
};
template<typename> void bar()
{
A().foo;
}