The <code>-w</code> flag suppresses DWARF debug information generation.
  The <code>-s</code> flag suppresses symbol table generation.
  The <code>-s</code> flag also implies the <code>-w</code> flag, which can be
  negated with <code>-w=0</code>.
  That is, <code>-s</code> <code>-w=0</code> will generate a binary with DWARF
  debug information generation but without the symbol table.
</p>

<p><!-- CL 511475 -->

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needs no assembler pass in the usual pipeline.
Instead, the compiler operates on a kind of semi-abstract instruction set,
and instruction selection occurs partly after code generation.
The assembler works on the semi-abstract form, so
when you see an instruction like <code>MOV</code>
what the toolchain actually generates for that operation might
not be a move instruction at all, perhaps a clear or load.