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diff --git a/src/x86/ffi.c b/src/x86/ffi.c
index 9a59218..9f5d703 100644
--- a/src/x86/ffi.c
+++ b/src/x86/ffi.c
@@ -255,6 +255,14 @@ static const struct abi_params abi_params[FFI_LAST_ABI] = {
extern void FFI_DECLARE_FASTCALL ffi_call_i386(struct call_frame *, char *) FFI_HIDDEN;
+/* we perform some black magic here to use some of the parent's
+ * stack frame in ff_call_win() that breaks with the msvc compiler
+ * with the /RTCs or /GZ flags. Disable the 'Stack frame run time
+ * error checking' for this function so we don't hit weird exceptions
+ * in debug builds */
+#if defined(_MSC_VER)
+#pragma runtime_checks("s", off)
+#endif
static void
ffi_call_int (ffi_cif *cif, void (*fn)(void), void *rvalue,
void **avalue, void *closure)
@@ -390,6 +398,9 @@ ffi_call_int (ffi_cif *cif, void (*fn)(void), void *rvalue,
ffi_call_i386 (frame, stack);
}
+#if defined(_MSC_VER)
+#pragma runtime_checks("s", restore)
+#endif
void
ffi_call (ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
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