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-rw-r--r--libobjc/gc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/libobjc/gc.c b/libobjc/gc.c
index 5ea4f8a0915..9b117dcfdf6 100644
--- a/libobjc/gc.c
+++ b/libobjc/gc.c
@@ -31,9 +31,11 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#include "tconfig.h"
#include <assert.h>
+#include <ctype.h> /* For isdigit. */
#include <string.h>
#include <stdlib.h>
-#include "objc/encoding.h"
+#include "objc/runtime.h"
+#include "objc-private/module-abi-8.h"
#include <gc.h>
#include <limits.h>