[Bug c++/67369] New: [5/6 Regression] ICE (in tsubst_decl, at cp/pt.c:11302) with -std=c++14

[Bug c++/67369] New: [5/6 Regression] ICE (in tsubst_decl, at cp/pt.c:11302) with -std=c++14

[doko at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67369

            Bug ID: 67369
           Summary: [5/6 Regression] ICE (in tsubst_decl, at
                    cp/pt.c:11302) with -std=c++14
           Product: gcc
           Version: 5.2.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: doko at gcc dot gnu.org
  Target Milestone: ---

seen with the gcc-5-branch r227166, and trunk r227171

$ cat foo.cc 
int main() {
  unsigned const nsz = 0;
  auto repeat_conditional = [&](auto) {
    auto new_sz = nsz;
  };
  repeat_conditional(1);
}
$ /usr/lib/gcc-snapshot/bin/g++ -std=c++14 -c foo.cc 
foo.cc: In instantiation of 'main()::<lambda(auto:1)> [with auto:1 = int]':
foo.cc:6:23:   required from here
foo.cc:1:5: internal compiler error: in tsubst_decl, at cp/pt.c:11302
 int main() {
     ^
Please submit a full bug report,
with preprocessed source if appropriate.

[Bug c++/67369] [5/6 Regression] ICE (in tsubst_decl, at cp/pt.c:11302) with -std=c++14

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67369

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-08-27
                 CC|                            |jason at gcc dot gnu.org,
                   |                            |trippels at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Confirmed.

[Bug c++/67369] [5/6 Regression] ICE (in tsubst_decl, at cp/pt.c:11302) with -std=c++14

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67369

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |5.3

[Bug c++/67369] [5/6 Regression] ICE (in tsubst_decl, at cp/pt.c:11302) with -std=c++14

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67369

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mpolacek at gcc dot gnu.org

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Started with r211188.

[Bug c++/67369] [5/6 Regression] ICE (in tsubst_decl, at cp/pt.c:11302) with -std=c++14

[paolo.carlini at oracle dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67369

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED

--- Comment #3 from Paolo Carlini <paolo.carlini at oracle dot com> ---
Mine.

[Bug c++/67369] [5/6 Regression] ICE (in tsubst_decl, at cp/pt.c:11302) with -std=c++14

[paolo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67369

--- Comment #4 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> ---
Author: paolo
Date: Tue Sep  8 15:02:01 2015
New Revision: 227530

URL: https://gcc.gnu.org/viewcvs?rev=227530&root=gcc&view=rev
Log:
/cp
2015-09-08  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/67369
        * pt.c (tsubst_copy, [case FUNCTION_DECL]): Do not call tsubst
        if the first argument isn't a template.

/testsuite
2015-09-08  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/67369
        * g++.dg/cpp1y/lambda-generic-ice4.C: New.

Added:
    trunk/gcc/testsuite/g++.dg/cpp1y/lambda-generic-ice4.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/pt.c
    trunk/gcc/testsuite/ChangeLog

[Bug c++/67369] [5/6 Regression] ICE (in tsubst_decl, at cp/pt.c:11302) with -std=c++14

[paolo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67369

--- Comment #5 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> ---
Author: paolo
Date: Tue Sep  8 15:02:27 2015
New Revision: 227531

URL: https://gcc.gnu.org/viewcvs?rev=227531&root=gcc&view=rev
Log:
/cp
2015-09-08  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/67369
        * pt.c (tsubst_copy, [case FUNCTION_DECL]): Do not call tsubst
        if the first argument isn't a template.

/testsuite
2015-09-08  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/67369
        * g++.dg/cpp1y/lambda-generic-ice4.C: New.

Added:
    branches/gcc-5-branch/gcc/testsuite/g++.dg/cpp1y/lambda-generic-ice4.C
Modified:
    branches/gcc-5-branch/gcc/cp/ChangeLog
    branches/gcc-5-branch/gcc/cp/pt.c
    branches/gcc-5-branch/gcc/testsuite/ChangeLog

[Bug c++/67369] [5/6 Regression] ICE (in tsubst_decl, at cp/pt.c:11302) with -std=c++14

[paolo.carlini at oracle dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67369

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #6 from Paolo Carlini <paolo.carlini at oracle dot com> ---
Fixed for 5.3.