Re: [PATCH] Fix up stdarg pass (PR tree-optimization/56205)

2013-02-05 Thread Richard Biener
On Tue, 5 Feb 2013, Jakub Jelinek wrote: > Hi! > > The following testcase is miscompiled on ppc64, because the stdarg pass > didn't figure out that va_list was escaping. > The problem was that we've processed the > # z.2_31 = PHI > stmt was processed before processing z.2_27 and z.2_24 assignmen

[PATCH] Fix up stdarg pass (PR tree-optimization/56205)

2013-02-05 Thread Jakub Jelinek
Hi! The following testcase is miscompiled on ppc64, because the stdarg pass didn't figure out that va_list was escaping. The problem was that we've processed the # z.2_31 = PHI stmt was processed before processing z.2_27 and z.2_24 assignments, so neither of them was in va_list_escape_vars at tha