[Bug ada/14060] New: Crash regression for GCC HEAD

["jan.kratochvil at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=14060

             Bug #: 14060
           Summary: Crash regression for GCC HEAD
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ada
        AssignedTo: unassigned@sourceware.org
        ReportedBy: jan.kratochvil@redhat.com
                CC: brobecker@adacore.com
    Classification: Unclassified
            Target: x86_64-unknown-linux-gnu


rm -rf gdb.ada/arrayidx/;git reset --hard # workaround ada testcases rebuilding

PATH="/your/path/to/gcc-head/bin:$PATH" runtest GNATMAKE_FOR_TARGET='gnatmake
--GCC=gcc\ -gdwarf-4\ -fdebug-types-section\ -g0' gdb.ada/arrayidx.exp 

also reproducible with:
../gdb -nx gdb.ada/arrayidx/p -ex 'break p.adb:44' -ex r -ex 'print
e_one_two_three'

ada-lang.c:10546: internal-error: to_fixed_range_type: Assertion `TYPE_NAME
(raw_type) != NULL' failed.

10545      gdb_assert (raw_type != NULL);
10546      gdb_assert (TYPE_NAME (raw_type) != NULL);
(gdb) p *raw_type.main_type
$3 = 
{name = 0x0,
 tag_name = 0x7ffff7e12282 "p__index",
 code = TYPE_CODE_ENUM,
 flags = [objfile_owned],
 owner = 0x216d0f0 (objfile),
 target_type = 0x0,
 vptr_basetype = 0x0,
 type_specific_field = TYPE_SPECIFIC_NONE}

GDB definitely should not internal error on GCC output.
Whether the GCC HEAD change is valid or not I do not know.

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