Index: libffi/ChangeLog
===================================================================
--- libffi.orig/ChangeLog
+++ libffi/ChangeLog
@@ -251,6 +251,10 @@
 	* src/prep_cif.c: Push stack space computation into src/x86/ffi.c
 	for X86_ANY so return value space doesn't get added twice.
 
+2010-08-03  Neil Rashbrooke <neil@parkwaycc.co.uk>
+
+	* msvcc.sh: Don't pass -safeseh to ml64 because behavior is buggy.
+
 2010-07-22  Dan Witte  <dwitte@mozilla.com>
 
 	* src/*/ffitarget.h: Make FFI_LAST_ABI one past the last valid ABI.
Index: libffi/msvcc.sh
===================================================================
--- libffi.orig/msvcc.sh
+++ libffi/msvcc.sh
@@ -46,6 +46,7 @@ args="-nologo -W3"
 md=-MD
 cl="cl"
 ml="ml"
+safeseh="-safeseh"
 output=
 
 while [ $# -gt 0 ]
@@ -63,6 +64,7 @@ do
     -m64)
       cl="cl"   # "$MSVC/x86_amd64/cl"
       ml="ml64" # "$MSVC/x86_amd64/ml64"
+      safeseh=
       shift 1
     ;;
     -O0)
@@ -176,7 +178,7 @@ if [ -n "$assembly" ]; then
     echo "$cl -nologo -EP $includes $defines $src > $ppsrc"
     "$cl" -nologo -EP $includes $defines $src > $ppsrc || exit $?
     output="$(echo $output | sed 's%/F[dpa][^ ]*%%g')"
-    args="-nologo -safeseh $single $output $ppsrc"
+    args="-nologo $safeseh $single $output $ppsrc"
 
     echo "$ml $args"
     eval "\"$ml\" $args"