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-rw-r--r--include/llvm/Support/ManagedStatic.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/llvm/Support/ManagedStatic.h b/include/llvm/Support/ManagedStatic.h
index 4c1271cec7..e6384c7213 100644
--- a/include/llvm/Support/ManagedStatic.h
+++ b/include/llvm/Support/ManagedStatic.h
@@ -28,7 +28,7 @@ void object_deleter(void *Ptr) {
/// ManagedStaticBase - Common base class for ManagedStatic instances.
class ManagedStaticBase {
protected:
- sys::cas_flag InitFlag;
+ mutable sys::cas_flag InitFlag;
// This should only be used as a static variable, which guarantees that this
// will be zero initialized.