Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."

2007-01-04 Thread Richard Sandiford
"Richard Guenther" <[EMAIL PROTECTED]> writes: > On 1/4/07, Richard Sandiford <[EMAIL PROTECTED]> wrote: >> Paul Eggert <[EMAIL PROTECTED]> writes: >> > Mark Mitchell <[EMAIL PROTECTED]> writes: >> >> it sounds like that would

Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."

2007-01-04 Thread Richard Sandiford
Paul Eggert <[EMAIL PROTECTED]> writes: > Mark Mitchell <[EMAIL PROTECTED]> writes: >> it sounds like that would eliminate most of the problem. Certainly, >> making -INT_MIN evaluate to INT_MIN, when expressed like that, is an >> easy thing to do; that's just a guarantee about constant folding. >