[Bug objc++/47711] New: [4.5, 4.6 Regression] (even trivial) PCH fails for Objective-C++

[iains at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47711

           Summary: [4.5, 4.6 Regression] (even trivial) PCH fails for
                    Objective-C++
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: objc++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: iains@gcc.gnu.org


Created attachment 23319
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23319
test header

i686-darwin9 gives:

$ ./gcc/g++ -Bgcc -x objective-c++-header ../tests/small-header.h -x none -o
small-header.h.gch

$ ./gcc/g++ -Bgcc -x objective-c++ ../tests/small-pch-test.m -x none -include
small-header.h -L i686-apple-darwin9/libstdc++-v3/src/.libs/ -lobjc -o tt
In file included from /usr/include/i386/types.h:70:0,
                 from /usr/include/machine/types.h:37,
                 from /usr/include/sys/types.h:78,
                 from /usr/include/objc/objc.h:32,
                 from /usr/include/objc/runtime.h:27,
                 from /usr/include/objc/objc-runtime.h:1,
                 from /usr/include/objc/Object.h:36,
                 from ../tests/small-pch-test.m:4:
/usr/include/i386/_types.h:76:15: internal compiler error: tree check: expected
integer_cst, have  in walk_subobject_offsets, at cp/class.c:3315
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

(i686-linux gave a segfault)