------- Comment #3 from roman at binarylife dot net 2010-03-18 14:52 ------- This looks related.
$ cat test.c _Decimal64 func() { return 9e384dd + 9e384dd; } $ gcc -c test.c test.c: In function 'func': test.c:2:3: internal compiler error: in decimal_to_decnumber, at dfp.c:115 ... -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43374