No high level source with GNU as when using DWARF-2 debugging

[Haakon Riiser]

Why doesn't the "-ah" option for including high level source work
when using DWARF 2 debugging information?  I noticed this while
checking out GCC 3.1, as "-g" now means "-gdwarf-2", as opposed to
"-gstabs+" in GCC 2.95.3.  Try the following command:

  gcc -c -gdwarf-2 -Wa,-ahl hello.c

The assembly output looks fine, but no high level code is included.
Do the exact same thing, but s/dwarf-2/stabs+/:

  gcc -c -gstabs+ -Wa,-ahl hello.c

GCC versions tried:     GCC 2.95.3 and GCC 3.1.
Binutils:               2.12.90.0.1 and 2.11.90.0.19.

Same results in all cases.

-- 
 Haakon