1 files changed, 7 insertions, 9 deletions
diff --git a/vm_core.h b/vm_core.h
index eb02c66730..0bffdd3daa 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -585,17 +585,15 @@ typedef struct rb_thread_struct {
     VALUE (*first_func)(ANYARGS);
 
     /* for GC */
-    struct {
-	VALUE *stack_start;
-	VALUE *stack_end;
-	size_t stack_maxsize;
+    VALUE *machine_stack_start;
+    VALUE *machine_stack_end;
+    size_t machine_stack_maxsize;
 #ifdef __ia64
-	VALUE *register_stack_start;
-	VALUE *register_stack_end;
-	size_t register_stack_maxsize;
+    VALUE *machine_register_stack_start;
+    VALUE *machine_register_stack_end;
+    size_t machine_register_stack_maxsize;
 #endif
-	jmp_buf regs;
-    } machine;
+    jmp_buf machine_regs;
     int mark_stack_len;
 
     /* statistics data for profiler */