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-rw-r--r--system/include/libcxx/ios2
1 files changed, 1 insertions, 1 deletions
diff --git a/system/include/libcxx/ios b/system/include/libcxx/ios
index d95f18a5..b6cf0766 100644
--- a/system/include/libcxx/ios
+++ b/system/include/libcxx/ios
@@ -367,7 +367,7 @@ private:
int* __index_;
size_t __event_size_;
size_t __event_cap_;
-#if __has_feature(cxx_atomic)
+#if __has_feature(cxx_atomic) && !defined(__EMSCRIPTEN__)
static atomic<int> __xindex_;
#else
static int __xindex_;