small varasm.c improvements

[Gabriel Dos Reis]

Zack Weinberg <zack@codesourcery.com> writes:

[...]

| This is what I'm using:
| 
| ii  tcl8.4         8.4.2-1        Tcl (the Tool Command Language) v8.4 - run-t
| ii  expect         5.38.0-5       A program that "talks" to other programs
| ii  dejagnu        1.4.3-0.1      framework for running test suites on softwar
| 
| These packages are almost certainly newer than the minimum
| requirements, and I do not know what the minimum requirements are.

Tools in the infrastructure directory at GCC ftp site.

-- Gaby