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re PR c++/77545 (ICE on valid C++11 code: in potential_constant_expression_1, at cp/constexpr.c:5480) 

PR c++/77545
	PR c++/77284
	* constexpr.c (potential_constant_expression_1): Handle CLEANUP_STMT.

	* g++.dg/cpp0x/range-for32.C: New test.
	* g++.dg/cpp0x/range-for33.C: New test.

From-SVN: r244062
This commit is contained in:
Marek Polacek 2017-01-04 17:47:04 +00:00 committed by Marek Polacek
parent 5dd9a9d0c9
commit baf9ebc8cc
5 changed files with 44 additions and 0 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2017-01-04 Marek Polacek <polacek@redhat.com>
PR c++/77545
PR c++/77284
* constexpr.c (potential_constant_expression_1): Handle CLEANUP_STMT.
2017-01-04 Nathan Sidwell <nathan@acm.org>
PR c++/66735

1
gcc/cp/constexpr.c
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@ -5661,6 +5661,7 @@ potential_constant_expression_1 (tree t, bool want_rval, bool strict,
/* We can see these in statement-expressions. */
return true;
case CLEANUP_STMT:
case EMPTY_CLASS_EXPR:
return false;

7
gcc/testsuite/ChangeLog
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@ -1,3 +1,10 @@
2017-01-04 Marek Polacek <polacek@redhat.com>
PR c++/77545
PR c++/77284
* g++.dg/cpp0x/range-for32.C: New test.
* g++.dg/cpp0x/range-for33.C: New test.
2017-01-04 David Malcolm <dmalcolm@redhat.com>
* gcc.dg/Wmissing-braces-fixits.c: New test case.

16
gcc/testsuite/g++.dg/cpp0x/range-for32.C Normal file
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@ -0,0 +1,16 @@
// PR c++/77545
// { dg-do compile { target c++11 } }
// { dg-options "-Wno-pedantic" }
template < typename T > struct A
{
A ();
~A ();
T t;
};
void f (A < int > a)
{
for (auto x : (A<int>[]) { a })
;
}

14
gcc/testsuite/g++.dg/cpp0x/range-for33.C Normal file
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@ -0,0 +1,14 @@
// PR c++/77284
// { dg-do compile { target c++11 } }
#include <initializer_list>
struct A
{
~A () {}
};
void foo (A & v)
{
for (A a : { v }) {};
}