I notice gdb.linespec/break-asm-file.exp fails on some targets, arm,
ppc64, and aarch64. gdb.linespec/break-asm-file.exp is written in a
way which has a lot assumptions on x86, and even it is lucky this case
passes on x86 (see patch 3).
There are some hard-coded stuff in the .s files, and I want to replace
them with something better (see patch 2). During this, I find .s should
be compiled without debug info, because it has already had, so patch 1
is to compile .s files without debug info.
I tested this patch on arm, aarch64, and ppc64, fails are fixed. I find
this test fails on s39x too, but I don't have a machine to test.