[Bug debug/48928] New: [4.7 Regression] ICE: in decimal_to_decnumber, at dfp.c:113 with -O -g and decimal float

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48928

           Summary: [4.7 Regression] ICE: in decimal_to_decnumber, at
                    dfp.c:113 with -O -g and decimal float
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: debug
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: zso...@seznam.cz
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu


Created attachment 24207
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24207
reduced testcase

Compiler output:
$ gcc -O -g testcase.c
testcase.c: In function 'foo':
testcase.c:7:1: internal compiler error: in decimal_to_decnumber, at dfp.c:113
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tested revisions:
r173545 - crash
4.6 r173059 - OK