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* [Bug c++/27403] New: T() can be an integer constant but is rejected as not one
@ 2006-05-02 21:12 pinskia at gcc dot gnu dot org
2006-05-26 15:26 ` [Bug c++/27403] " bangerth at dealii dot org
0 siblings, 1 reply; 2+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2006-05-02 21:12 UTC (permalink / raw)
To: gcc-bugs
Testcase:
template <int> struct A { typedef int I; };
template <class T>
typename A<T() >::I foo (T) { return 0; }
-----
I found this while looking at PR 27402. This is not a regression as it did not
work in 2.95 on wards.
--
Summary: T() can be an integer constant but is rejected as not
one
Product: gcc
Version: 4.2.0
Status: UNCONFIRMED
Keywords: rejects-valid
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pinskia at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27403
^ permalink raw reply [flat|nested] 2+ messages in thread
* [Bug c++/27403] T() can be an integer constant but is rejected as not one
2006-05-02 21:12 [Bug c++/27403] New: T() can be an integer constant but is rejected as not one pinskia at gcc dot gnu dot org
@ 2006-05-26 15:26 ` bangerth at dealii dot org
0 siblings, 0 replies; 2+ messages in thread
From: bangerth at dealii dot org @ 2006-05-26 15:26 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from bangerth at dealii dot org 2006-05-26 15:26 -------
gcc parses this as
template <class T>
typename A<T (&)() >::I foo (T) { return 0; }
i.e. as meaning that the argument is not an integer, but a function that
returns an integer.
A simpler testcase is this (icc accepts it, though I'm not sure who's right):
-------------------
template <int> struct A {};
A<int()> foo (int);
-------------------
W.
--
bangerth at dealii dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |bangerth at dealii dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27403
^ permalink raw reply [flat|nested] 2+ messages in thread
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2006-05-02 21:12 [Bug c++/27403] New: T() can be an integer constant but is rejected as not one pinskia at gcc dot gnu dot org
2006-05-26 15:26 ` [Bug c++/27403] " bangerth at dealii dot org
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