Bug fix: GC after resizing stack can shrink it again
Macro 'checkstackGC' was doing a GC step after resizing the stack;
the GC could shrink the stack and undo the resize.
diff --git a/ldo.h b/ldo.h
index 7760f85..821cb77 100644
--- a/ldo.h
+++ b/ldo.h
@@ -44,7 +44,7 @@
/* macro to check stack size and GC */
#define checkstackGC(L,fsize) \
- luaD_checkstackaux(L, (fsize), (void)0, luaC_checkGC(L))
+ luaD_checkstackaux(L, (fsize), luaC_checkGC(L), (void)0)
/* type of protected functions, to be ran by 'runprotected' */
