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[Bug debug/48459] [4.6/4.7 Regression] avr: Assertion failure with -gdwarf-2
- From: "rth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 14 Jun 2011 13:28:01 +0000
- Subject: [Bug debug/48459] [4.6/4.7 Regression] avr: Assertion failure with -gdwarf-2
- Auto-submitted: auto-generated
- References: <bug-48459-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48459
Richard Henderson <rth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
--- Comment #20 from Richard Henderson <rth at gcc dot gnu.org> 2011-06-14 13:23:53 UTC ---
(In reply to comment #19)
> > A full build for AVR fails, but that seems to be related to other
> > open bugs.
>
> What bugs?
Perhaps I shouldn't assume.
../../../../../../comb/newlib/libc/search/hash.c: In function â__expand_tableâ:
../../../../../../comb/newlib/libc/search/hash.c:898:1: error: unable to find a
register to spill in class âPOINTER_REGSâ
../../../../../../comb/newlib/libc/search/hash.c:898:1: error: this is the
insn:
(insn 190 97 191 10 (set (reg:QI 18 r18)
(mem/c:QI (plus:HI (reg/f:HI 28 r28)
(const_int 5 [0x5])) [14 S1 A8]))
../../../../../../comb/newlib/libc/search/hash.c:886 4 {*movqi}
(nil))
../../../../../../comb/newlib/libc/search/hash.c:898:1: internal compiler
error: in spill_failure, at reload1.c:2113
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[8]: *** [lib_a-hash.o] Error 1
make[8]: Leaving directory
`/home/rth/work/gcc/bld-avr/avr-elf/avr25/newlib/libc/search'
I saw r28 in there and assumed it was the same problem with the
frame pointer as PR46779.
Anyway, I believe I've fixed the problem for #c0. I'll commit it shortly.