GCC accepts mixed-case suffix for decimal float constants. Mixed-case suffix is not allowed in http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1176.pdf. Is this a bug or extension?
test case: double dd = 1.0dD; -- Summary: mixed-case suffix for decimal float constants Product: gcc Version: 4.2.0 Status: UNCONFIRMED Severity: minor Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: s__nakayama at infoseek dot jp http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33466