[Bug target/47324] r157762 caused g++.dg/torture/stackalign failures with -O3 -g at -m32 on darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47324

--- Comment #52 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-02-13 
16:31:36 UTC ---
Even those this problem appears latent on gcc-4_5-branch, the problematic code
is identical. Shouldn't we backport this for gcc 4.5.3?