src: common: lnorm: work around for msvc compiler bug

oneapi-src · Jun 17, 2024 · 487d4b3 · 487d4b3
1 parent 060df4e
commit 487d4b3
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/common/layer_normalization_pd.hpp b/src/common/layer_normalization_pd.hpp
@@ -215,7 +215,11 @@ struct layer_normalization_fwd_pd_t : public layer_normalization_pd_t {
                 + n_binary_po_inputs();
     }
     int n_outputs() const override {
-        return 1 + 2 * (!stats_are_src()) * is_training();
+        // Work around for MSVC 19.40.33811 which over-optimizes the expression
+        // and would make `n_training_outs` return `0` even when both functions
+        // return `1`.
+        int n_training_outs = 2 * (!stats_are_src()) * is_training();
+        return 1 + n_training_outs;
     }
 
 protected: