style fixes

Author: davleopo

compiler/src/jdk.graal.compiler.test/src/jdk/graal/compiler/core/test/ReportHotMetricsTest.java

@@ -36,7 +36,7 @@
 
 public class ReportHotMetricsTest extends GraalCompilerTest {
 
-    public static boolean PRINT_STDOUT = false;
+    public static final boolean PRINT_STDOUT = false;
 
     static int sideEffect;
 

compiler/src/jdk.graal.compiler/src/jdk/graal/compiler/phases/common/ReportHotCodePhase.java

@@ -58,8 +58,8 @@
  * Analyzes and reports performance-critical aspects of a structured graph's intermediate
  * representation (IR).
  * <p>
- * This phase traverses all sections of the code, sorts and identifies the hottest regions of the
- * IR— typically loops or frequently executed blocks—and generates a report highlighting any known
+ * This phase traverses all sections of the code, sorts and identifies the hottest regions of the IR
+ * - typically loops or frequently executed blocks - wand generates a report highlighting any known
  * performance-critical observations related to those regions (if any are present).
  * </p>
  * <p>
@@ -320,4 +320,4 @@ private static void reportHotLoopGuardsInside(List<Loop> hottestGlobalLoops) {
             }
         }
     }
-}
+}