[Bug testsuite/54677] New: [4.8 Regression] FAIL: g++.dg/cpp0x/decltype32.C (test for excess errors) with -m64 after revision 191564

["dominiq at lps dot ens.fr" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54677

             Bug #: 54677
           Summary: [4.8 Regression] FAIL: g++.dg/cpp0x/decltype32.C (test
                    for excess errors) with -m64 after revision 191564
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: testsuite
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: dominiq@lps.ens.fr
                CC: hjl.tools@gmail.com, paolo.carlini@oracle.com


After revision 191564 the tests g++.dg/cpp0x/decltype32.C fails when compiled
with -m64:

[macbook] f90/bug% g++48 -std=c++0x
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C: In function 'int
main()':
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:11:23: error: no matching
function for call to 'make_array(int)'
   int z = make_array(1);    // { dg-error "no matching" }
                       ^
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:11:23: note: candidate
is:
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:5:6: note: template<class
T> decltype (make_array(il)) make_array(const T&)
 auto make_array(const T& il) ->
      ^
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:5:6: note:   template
argument deduction/substitution failed:
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C: In substitution of
'template<class T> decltype (make_array(il)) make_array(const T&) [with T =
int]':
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:11:23:   required from
here
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:6:23: error: 'make_array'
was not declared in this scope, and no declarations were found by
argument-dependent lookup at the point of instantiation [-fpermissive]
 decltype(make_array(il))    // { dg-error "not declared|no matching|exceeds" }
                       ^
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:5:6: note:
'template<class T> decltype (make_array(il)) make_array(const T&)' declared
here, later in the translation unit
 auto make_array(const T& il) ->
      ^
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:6:23: error: no matching
function for call to 'make_array(const int&)'
 decltype(make_array(il))    // { dg-error "not declared|no matching|exceeds" }
                       ^
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:6:23: note: candidate is:
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:5:6: note: template<class
T> decltype (make_array(il)) make_array(const T&)
 auto make_array(const T& il) ->
      ^
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:5:6: note:   template
argument deduction/substitution failed:
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C: In substitution of
'template<class T> decltype (make_array(il)) make_array(const T&) [with T =
int]':
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:6:23:   required by
substitution of 'template<class T> decltype (make_array(il)) make_array(const
T&) [with T = int]'
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:11:23:   required from
here
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:6:23: error: 'make_array'
was not declared in this scope, and no declarations were found by
argument-dependent lookup at the point of instantiation [-fpermissive]
 decltype(make_array(il))    // { dg-error "not declared|no matching|exceeds" }
                       ^
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:5:6: note:
'template<class T> decltype (make_array(il)) make_array(const T&)' declared
here, later in the translation unit
 auto make_array(const T& il) ->
      ^
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:6:23: error: no matching
function for call to 'make_array(const int&)'
 decltype(make_array(il))    // { dg-error "not declared|no matching|exceeds" }
                       ^
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:6:23: note: candidate is:
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:5:6: note: template<class
T> decltype (make_array(il)) make_array(const T&)
 auto make_array(const T& il) ->
      ^
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:5:6: note:   template
argument deduction/substitution failed:
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C: In substitution of
'template<class T> decltype (make_array(il)) make_array(const T&) [with T =
int]':
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:6:23:   recursively
required by substitution of 'template<class T> decltype (make_array(il))
make_array(const T&) [with T = int]'
...
a lot of errors
...
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:6:23: error: template
instantiation depth exceeds maximum of 900 (use -ftemplate-depth= to increase
the maximum) substituting 'template<class T> decltype (make_array(il))
make_array(const T&) [with T = <missing>]'
 decltype(make_array(il))    // { dg-error "not declared|no matching|exceeds" }
                       ^
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:6:23:   recursively
required by substitution of 'template<class T> decltype (make_array(il))
make_array(const T&) [with T = int]'
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:6:23:   required by
substitution of 'template<class T> decltype (make_array(il)) make_array(const
T&) [with T = int]'
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:11:23:   required from
here

/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:6:23: error: no matching
function for call to 'make_array(const int&)'
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:6:23: note: candidate is:
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:5:6: note: template<class
T> decltype (make_array(il)) make_array(const T&)
 auto make_array(const T& il) ->
      ^
/opt/gcc/work/gcc/testsuite/g++.dg/cpp0x/decltype32.C:5:6: note:   substitution
of deduced template arguments resulted in errors seen above