Suppress miscompiled test on icc.

NVIDIA · Jan 24, 2022 · a1be13b · a1be13b
1 parent 814223b
commit a1be13b
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/testing/scan.cu b/testing/scan.cu
@@ -26,6 +26,17 @@ template <class Vector>
 void TestScanSimple(void)
 {
     typedef typename Vector::value_type T;
+
+    // icc miscompiles the intermediate sum updates for custom_numeric.
+    // The issue doesn't happen with opts disabled, or on other compilers.
+    // Printing the intermediate sum each iteration "fixes" the issue,
+    // so likely a bad optimization.
+#if THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_INTEL
+    if (std::is_same<T, custom_numeric>::value)
+    {
+      return;
+    }
+#endif
 
     typename Vector::iterator iter;