[Bug debug/49864] New: ICE: in maybe_record_trace_start, at dwarf2cfi.c:2439

[gjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49864

           Summary: ICE: in maybe_record_trace_start, at dwarf2cfi.c:2439
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: debug
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: g...@gcc.gnu.org
                CC: r...@gcc.gnu.org
            Target: avr


After updating from r176624 to r176818 avr test suite shows a new ICE:

/home/john/gnu/gcc.gnu.org/trunk/gcc/testsuite/gcc.c-torture/unsorted/gen_tst.c:
In function 'main_compare':

/home/john/gnu/gcc.gnu.org/trunk/gcc/testsuite/gcc.c-torture/unsorted/gen_tst.c:48:1:
internal compiler error: in maybe_record_trace_start, at dwarf2cfi.c:2439

Please submit a full bug report,


FAIL: gcc.c-torture/unsorted/gen_tst.c,  -O3 -g   (internal compiler error)

Executing on host: /local/gnu/build/gcc-trunk-avr/gcc/xgcc
-B/local/gnu/build/gcc-trunk-avr/gcc/  -w  -Os   -DSTACK_SIZE=2048
-DNO_TRAMPOLINES -c  -DSIGNAL_SUPPRESS -mmcu=atmega128
-I/home/john/gnu/install/gcc-4.7/avr/include  -o
/local/gnu/build/gcc-trunk-avr/gcc/testsuite/gcc/gen_tst.o
/home/john/gnu/gcc.gnu.org/trunk/gcc/testsuite/gcc.c-torture/unsorted/gen_tst.c
   (timeout = 300)
spawn /local/gnu/build/gcc-trunk-avr/gcc/xgcc
-B/local/gnu/build/gcc-trunk-avr/gcc/ -w -Os -DSTACK_SIZE=2048 -DNO_TRAMPOLINES
-c -DSIGNAL_SUPPRESS -mmcu=atmega128
-I/home/john/gnu/install/gcc-4.7/avr/include -o
/local/gnu/build/gcc-trunk-avr/gcc/testsuite/gcc/gen_tst.o
/home/john/gnu/gcc.gnu.org/trunk/gcc/testsuite/gcc.c-torture/unsorted/gen_tst.c


== configure ==

../../gcc.gnu.org/trunk/configure --target=avr
--prefix=/local/gnu/install/gcc-4.7 --disable-nls --disable-shared
--enable-languages=c,c++ --with-dwarf2 --disable-lto