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re PR debug/80461 (ICE in modified_type_die, at dwarf2out.c:12566) 

PR debug/80461
	* dwarf2out.c (modified_type_die, gen_type_die_with_usage):
	Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.

	* g++.dg/debug/pr80461.C: New test.

From-SVN: r247002
This commit is contained in:
Jakub Jelinek 2017-04-19 18:32:02 +02:00 committed by Jakub Jelinek
parent 541035a63b
commit f19e6a9c0b
4 changed files with 59 additions and 8 deletions
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4
gcc/ChangeLog
View File

@ -1,5 +1,9 @@
2017-04-19 Jakub Jelinek <jakub@redhat.com>
PR debug/80461
* dwarf2out.c (modified_type_die, gen_type_die_with_usage):
Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
PR debug/80436
* tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.

18
gcc/dwarf2out.c
View File

@ -12690,7 +12690,9 @@ modified_type_die (tree type, int cv_quals, bool reverse,
but try to canonicalize. */
tree main = TYPE_MAIN_VARIANT (type);
for (tree t = main; t; t = TYPE_NEXT_VARIANT (t))
if (check_base_type (t, main) && check_lang_type (t, type))
if (TYPE_QUALS_NO_ADDR_SPACE (t) == 0
&& check_base_type (t, main)
&& check_lang_type (t, type))
return lookup_type_die (t);
return lookup_type_die (type);
}
@ -24580,13 +24582,13 @@ gen_type_die_with_usage (tree type, dw_die_ref context_die,
but try to canonicalize. */
tree main = TYPE_MAIN_VARIANT (type);
for (tree t = main; t; t = TYPE_NEXT_VARIANT (t))
{
if (check_base_type (t, main) && check_lang_type (t, type))
{
type = t;
break;
}
}
if (TYPE_QUALS_NO_ADDR_SPACE (t) == 0
&& check_base_type (t, main)
&& check_lang_type (t, type))
{
type = t;
break;
}
}
else if (TREE_CODE (type) != VECTOR_TYPE
&& TREE_CODE (type) != ARRAY_TYPE)

3
gcc/testsuite/ChangeLog
View File

@ -1,5 +1,8 @@
2017-04-19 Jakub Jelinek <jakub@redhat.com>
PR debug/80461
* g++.dg/debug/pr80461.C: New test.
PR c++/80459
* c-c++-common/opaque-vector.c (SIZEOF_MAXINT): Define.
(f): Don't test long double vectors if __SIZEOF_LONG_DOUBLE__

42
gcc/testsuite/g++.dg/debug/pr80461.C Normal file
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@ -0,0 +1,42 @@
// PR debug/80461
// { dg-do compile }
// { dg-options "-g -O" }
template <typename> class A;
struct B
{
template <typename T, typename U>
static bool foo (U T::*) {}
};
template <typename, typename> class J;
template <typename T, typename U, typename V, typename... W>
class J<V (W...), U T::*> : public J<void(), U T::*> {};
template <typename T, typename U, typename... W>
class J<void(W...), U T::*> : public B {};
template <typename V, typename... W> struct A<V (W...)>
{
template <typename, typename> using K = int;
template <typename L, typename = K<int, void>, typename = K<int, void>> A (L);
};
template <typename V, typename... W>
template <typename L, typename, typename>
A<V (W...)>::A (L x) { J<V (), L>::foo (x); }
struct N;
volatile int v;
template <class O, class P>
void
bar ()
{
O q;
A<P> f = q;
v++;
}
void
baz ()
{
bar<int (N::*) (...) &, int()> ();
bar<int (N::*) (...) const &, int()> ();
bar<int (N::*) (...) volatile &, int()> ();
}