On Tue, Apr 24, 2012 at 10:54 AM, Ian Lance Taylor <iant@xxxxxxxxxx> wrote: > "Mailaripillai, Kannan Jeganathan" <kannanmj@xxxxxx> writes: > >> I am getting a message: >> "#'fdesc_expr' not supported by dump_expr#<expression error>" >> while dumping the vable using -fdump-class-hierarchy in platforms >> ia64-hpux11.23, ia64-redhat-linux. But in x86_64-suse-linux it is working >> fine. > > It's a bug in dump_expr in cp/error.c. It doesn't know how to print a > FDESC_EXPR node. The reason you only see it on ia64 is that FDESC_EXPR > is only used by targets for which TARGET_VTABLE_USES_DESCRIPTORS is > non-zero, and the only target for which that is true is ia64. > Indeed; it should be filled as bug. I do not have access to such platforms. But I would expect the fix to be a modification of cp/cxx-pretty-print.c:pp_cxx_postfix_expression and have a corresponding case statement in cp/error.c:dump_expr. -- Gaby
