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-rw-r--r--pthread_support.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/pthread_support.c b/pthread_support.c
index 36bbda5f..88c458b5 100644
--- a/pthread_support.c
+++ b/pthread_support.c
@@ -546,7 +546,7 @@ STATIC GC_thread GC_new_thread(pthread_t id)
first_thread_used = TRUE;
GC_ASSERT(NULL == GC_threads[hv]);
# if defined(THREAD_SANITIZER) && defined(CPPCHECK)
- GC_noop1(result->dummy[0]);
+ GC_noop1((unsigned char)result->dummy[0]);
# endif
} else {
result = (struct GC_Thread_Rep *)