Backed out changeset a6c18a123fbb due to everything-on-mac-bustage. a=backout

configure.in

@@ -2034,7 +2034,7 @@ case "$target" in
 *-darwin*) 
     MKSHLIB='$(CXX) $(CXXFLAGS) $(DSO_PIC_CFLAGS) $(DSO_LDOPTS) -o $@'
     MKCSHLIB='$(CC) $(CFLAGS) $(DSO_PIC_CFLAGS) $(DSO_LDOPTS) -o $@'
-    MOZ_OPTIMIZE_FLAGS="-O3 -fomit-frame-pointer"
+    MOZ_OPTIMIZE_FLAGS="-O3"
     _PEDANTIC=
     CFLAGS="$CFLAGS -fpascal-strings -fno-common"
     CXXFLAGS="$CXXFLAGS -fpascal-strings -fno-common"

js/src/configure.in

@@ -1727,7 +1727,7 @@ case "$target" in
 *-darwin*) 
     MKSHLIB='$(CXX) $(CXXFLAGS) $(DSO_PIC_CFLAGS) $(DSO_LDOPTS) -o $@'
     MKCSHLIB='$(CC) $(CFLAGS) $(DSO_PIC_CFLAGS) $(DSO_LDOPTS) -o $@'
-    MOZ_OPTIMIZE_FLAGS="-O3 -fomit-frame-pointer"
+    MOZ_OPTIMIZE_FLAGS="-O3"
     _PEDANTIC=
     CFLAGS="$CFLAGS -fpascal-strings -fno-common"
     CXXFLAGS="$CXXFLAGS -fpascal-strings -fno-common"

xpcom/reflect/xptcall/src/md/unix/Makefile.in

@@ -80,9 +80,6 @@ CPPSRCS		:= xptcinvoke_x86_64_unix.cpp xptcstubs_x86_64_darwin.cpp
 else
 DEFINES		+= -DKEEP_STACK_16_BYTE_ALIGNED
 CPPSRCS		:= xptcinvoke_unixish_x86.cpp xptcstubs_unixish_x86.cpp
-# If we compile xptcinvoke_unixish_x86.cpp with -fomit-frame-pointer
-# we end up crashing on startup, presumably because of the %esp munging we do when KEEP_STACK_16_BYTE_ALIGNED.  So let's not use that flag here.
-MODULE_OPTIMIZE_FLAGS=-03
 endif
 endif
 endif