[Bug sanitizer/59106] Failure to link against static libasan

[y.gribov at samsung dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59106

--- Comment #3 from Yury Gribov <y.gribov at samsung dot com> ---
(In reply to Kostya Serebryany from comment #2)
> We should be building libsanitizer with -fno-rtti

Ubsan seems to require it:
 /home/ygribov/gcc/gcc-master/libsanitizer/ubsan/ubsan_type_hash.cc:121:63:
error: ‘dynamic_cast’ not permitted with -fno-rtti
         dynamic_cast<const abi::__si_class_type_info*>(Derived))
                                                               ^