[Bug target/47324] r160124 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 #60 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-02-14 
11:56:59 UTC ---
Backport for gcc 4.5.3...

http://gcc.gnu.org/ml/gcc-patches/2011-02/msg00869.html
http://gcc.gnu.org/ml/gcc-testresults/2011-02/msg01536.html