[MCA] Fix -Wparentheses warning breaking the -Werror build.

Waring was introduced at r357074.

llvm-svn: 357085

diff --git a/llvm/lib/MCA/Pipeline.cpp b/llvm/lib/MCA/Pipeline.cpp
index 6860a8c..22b9d07 100644 (file)
--- a/llvm/lib/MCA/Pipeline.cpp
+++ b/llvm/lib/MCA/Pipeline.cpp
@@ -64,7 +64,8 @@ Error Pipeline::runCycle() {
 
   // Update stages in preparation for a new cycle.
   for (const std::unique_ptr<Stage> &S : Stages) {
-    if (Err = S->cycleEnd())
+    Err = S->cycleEnd();
+    if (Err)
       break;
   }