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re PR ipa/59947 (Segmentation fault with #pragma GCC optimize ("O2"), ICE in get_odr_type)

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PR ipa/59947
	* ipa-devirt.c (possible_polymorphic_call_targets): Fix
	a comment typo and formatting issue.  If odr_hash hasn't been
	created, return vNULL and set *completep to false.

	* g++.dg/opt/pr59947.C: New test.

From-SVN: r207512
This commit is contained in:
Jakub Jelinek 2014-02-05 16:34:25 +01:00 committed by Jakub Jelinek
parent 54e19c00d9
commit add5c7634e
4 changed files with 51 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,5 +1,10 @@
2014-02-05 Jakub Jelinek <jakub@redhat.com>
PR ipa/59947
* ipa-devirt.c (possible_polymorphic_call_targets): Fix
a comment typo and formatting issue. If odr_hash hasn't been
created, return vNULL and set *completep to false.
PR middle-end/57499
* tree-eh.c (cleanup_empty_eh): Bail out on totally empty
bb with no successors.

11
gcc/ipa-devirt.c
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@ -1359,7 +1359,7 @@ devirt_variable_node_removal_hook (varpool_node *n,
temporarily change to one of base types. INCLUDE_DERIVER_TYPES make
us to walk the inheritance graph for all derivations.
If COMPLETEP is non-NULL, store true if the list is complette.
If COMPLETEP is non-NULL, store true if the list is complete.
CACHE_TOKEN (if non-NULL) will get stored to an unique ID of entry
in the target cache. If user needs to visit every target list
just once, it can memoize them.
@ -1378,7 +1378,7 @@ possible_polymorphic_call_targets (tree otr_type,
static struct cgraph_node_hook_list *node_removal_hook_holder;
pointer_set_t *inserted;
pointer_set_t *matched_vtables;
vec <cgraph_node *> nodes=vNULL;
vec <cgraph_node *> nodes = vNULL;
odr_type type, outer_type;
polymorphic_call_target_d key;
polymorphic_call_target_d **slot;
@ -1386,6 +1386,13 @@ possible_polymorphic_call_targets (tree otr_type,
tree binfo, target;
bool final;
if (!odr_hash.is_created ())
{
if (completep)
*completep = false;
return nodes;
}
type = get_odr_type (otr_type, true);
/* Lookup the outer class type we want to walk. */

3
gcc/testsuite/ChangeLog
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@ -1,5 +1,8 @@
2014-02-05 Jakub Jelinek <jakub@redhat.com>
PR ipa/59947
* g++.dg/opt/pr59947.C: New test.
PR c++/58703
* c-c++-common/gomp/pr58703.c: New test.

34
gcc/testsuite/g++.dg/opt/pr59947.C Normal file
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@ -0,0 +1,34 @@
// PR ipa/59947
// { dg-do compile }
// { dg-options "-O0 -std=c++11" }
#pragma GCC optimize ("O2")
template <typename T>
inline void
foo (T & a) noexcept { T tmp = static_cast <T &&> (a); };
struct A
{
A () noexcept : a (1), b (1) {}
virtual void c () noexcept = 0;
void d () noexcept { c (); }
int a;
int b;
};
struct B
{
~B () noexcept { e->d (); }
A *e;
};
template <typename T>
struct C
{
B f;
};
struct D {};
template <typename T>
struct E
{
void bar () { foo (g); }
C <D> g;
};
template class E <char>;