[Bug sanitizer/60142] [4.9 Regression][asan] -fsanitize=address breaks debugging - stepping into functions no longer possible

[jan.kratochvil at redhat dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60142

--- Comment #6 from Jan Kratochvil <jan.kratochvil at redhat dot com> ---
(In reply to Jakub Jelinek from comment #5)
> as in the case of the varargs x86_64 function that might need
> saving xmm registers,
[...]
> So, does GDB have a
> disassemble matcher for the ... prologue, or does that fail too?

For the XMM registers saving block there is prologue matching workaround of
GCC:
https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=df15bd07dfd59a5176e0fa7699ab1179205491d9