allow gas to emit duplicate line numbers

[Michael Snyder]

Sue Ludwig wrote:
> 
> Hi,
> 
> I have discovered another problem with using --gdwarf2.  Take the test case:
> #include <stdio.h>
> int main() {
>    return 0;
> }
> 
> Using the compile command on Linux/IPF or HPUX/IPF:
> gcc -g -Wa,--gdwarf2 main.c
> Produces the error:

Sue, 

Why are you sending "-Wa,--gdwarf2" to gcc?
That's not a typical thing to do.  Is there
a special reason for doing it?

Michael