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re PR c++/86669 (Complete object constructor clone omits length for a c++11 braced initialiser)

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PR c++/86669
	* call.c (make_temporary_var_for_ref_to_temp): Call pushdecl even for
	automatic vars.

	* g++.dg/cpp0x/initlist105.C: New test.
	* g++.dg/cpp0x/initlist106.C: New test.
	* g++.dg/other/pr86669.C: New test.

From-SVN: r266893
This commit is contained in:
Jakub Jelinek 2018-12-07 16:20:04 +01:00 committed by Jakub Jelinek
parent 26004f51f9
commit 29f0d7d457
6 changed files with 79 additions and 3 deletions
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4
gcc/cp/ChangeLog
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@ -1,5 +1,9 @@
2018-12-07 Jakub Jelinek <jakub@redhat.com>
PR c++/86669
* call.c (make_temporary_var_for_ref_to_temp): Call pushdecl even for
automatic vars.
PR c++/87506
* constexpr.c (adjust_temp_type): Handle EMPTY_CLASS_EXPR.

4
gcc/cp/call.c
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@ -11148,14 +11148,12 @@ make_temporary_var_for_ref_to_temp (tree decl, tree type)
tree name = mangle_ref_init_variable (decl);
DECL_NAME (var) = name;
SET_DECL_ASSEMBLER_NAME (var, name);
var = pushdecl (var);
}
else
/* Create a new cleanup level if necessary. */
maybe_push_cleanup_level (type);
return var;
return pushdecl (var);
}
/* EXPR is the initializer for a variable DECL of reference or

7
gcc/testsuite/ChangeLog
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@ -1,3 +1,10 @@
2018-12-07 Jakub Jelinek <jakub@redhat.com>
PR c++/86669
* g++.dg/cpp0x/initlist105.C: New test.
* g++.dg/cpp0x/initlist106.C: New test.
* g++.dg/other/pr86669.C: New test.
2018-12-07 Richard Sandiford <richard.sandiford@arm.com>
* gcc.target/aarch64/sve/pred_elim_2.c: New test.

28
gcc/testsuite/g++.dg/cpp0x/initlist105.C Normal file
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@ -0,0 +1,28 @@
// PR c++/86669
// { dg-do run { target c++11 } }
#include <initializer_list>
struct S { S (); };
struct T : public S {};
int cnt;
void foo (int) { cnt++; }
S::S ()
{
int e = 1, f = 2, g = 3, h = 4;
for (auto k : { e, f, g, h })
foo (k);
}
int
main ()
{
S s;
if (cnt != 4)
__builtin_abort ();
T t;
if (cnt != 8)
__builtin_abort ();
}

29
gcc/testsuite/g++.dg/cpp0x/initlist106.C Normal file
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@ -0,0 +1,29 @@
// PR c++/86669
// { dg-do run { target c++11 } }
#include <initializer_list>
struct A { };
struct S : virtual public A { S (); };
struct T : public S, virtual public A {};
int cnt;
void foo (int) { cnt++; }
S::S ()
{
int e = 1, f = 2, g = 3, h = 4;
for (auto k : { e, f, g, h })
foo (k);
}
int
main ()
{
S s;
if (cnt != 4)
__builtin_abort ();
T t;
if (cnt != 8)
__builtin_abort ();
}

10
gcc/testsuite/g++.dg/other/pr86669.C Normal file
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@ -0,0 +1,10 @@
// PR c++/86669
// { dg-do compile }
struct S { S (); };
struct T : public S {};
S::S ()
{
int *p = { (int *) &p };
}