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-rw-r--r--thread_pthread.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/thread_pthread.c b/thread_pthread.c
index 5d24029c56..be5bbb3947 100644
--- a/thread_pthread.c
+++ b/thread_pthread.c
@@ -616,6 +616,7 @@ ruby_init_stack(volatile VALUE *addr
size_t space = 0;
#if defined(STACKADDR_AVAILABLE)
void* stackaddr;
+ STACK_GROW_DIR_DETECTION;
get_stack(&stackaddr, &size);
space = STACK_DIR_UPPER((char *)addr - (char *)stackaddr, (char *)stackaddr - (char *)addr);
#elif defined(HAVE_GETRLIMIT)