src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/graphbuilderconf/GraphBuilderConfiguration.java

*** 199,208 ****
--- 199,209 ----
      private final BytecodeExceptionMode bytecodeExceptionMode;
      private final boolean omitAssertions;
      private final List<ResolvedJavaType> skippedExceptionTypes;
      private final boolean insertFullInfopoints;
      private final boolean trackNodeSourcePosition;
+     private final boolean retainLocalVariables;
      private final Plugins plugins;
  
      public enum BytecodeExceptionMode {
          /**
           * This mode always explicitly checks for exceptions.
*** 227,244 ****
--- 228,247 ----
                      boolean unresolvedIsError,
                      BytecodeExceptionMode bytecodeExceptionMode,
                      boolean omitAssertions,
                      boolean insertFullInfopoints,
                      boolean trackNodeSourcePosition,
+                     boolean retainLocalVariables,
                      List<ResolvedJavaType> skippedExceptionTypes,
                      Plugins plugins) {
          this.eagerResolving = eagerResolving;
          this.unresolvedIsError = unresolvedIsError;
          this.bytecodeExceptionMode = bytecodeExceptionMode;
          this.omitAssertions = omitAssertions;
          this.insertFullInfopoints = insertFullInfopoints;
          this.trackNodeSourcePosition = trackNodeSourcePosition;
+         this.retainLocalVariables = retainLocalVariables;
          this.skippedExceptionTypes = skippedExceptionTypes;
          this.plugins = plugins;
      }
  
      /**
*** 253,262 ****
--- 256,266 ----
                          unresolvedIsError,
                          bytecodeExceptionMode,
                          omitAssertions,
                          insertFullInfopoints,
                          trackNodeSourcePosition,
+                         retainLocalVariables,
                          skippedExceptionTypes,
                          newPlugins);
          return result;
      }
  
*** 272,281 ****
--- 276,286 ----
                          newUnresolvedIsError,
                          bytecodeExceptionMode,
                          omitAssertions,
                          insertFullInfopoints,
                          trackNodeSourcePosition,
+                         retainLocalVariables,
                          skippedExceptionTypes,
                          plugins);
      }
  
      public GraphBuilderConfiguration withEagerResolving(boolean newEagerResolving) {
*** 284,293 ****
--- 289,299 ----
                          unresolvedIsError,
                          bytecodeExceptionMode,
                          omitAssertions,
                          insertFullInfopoints,
                          trackNodeSourcePosition,
+                         retainLocalVariables,
                          skippedExceptionTypes,
                          plugins);
      }
  
      public GraphBuilderConfiguration withSkippedExceptionTypes(ResolvedJavaType[] newSkippedExceptionTypes) {
*** 296,305 ****
--- 302,312 ----
                          unresolvedIsError,
                          bytecodeExceptionMode,
                          omitAssertions,
                          insertFullInfopoints,
                          trackNodeSourcePosition,
+                         retainLocalVariables,
                          Collections.unmodifiableList(Arrays.asList(newSkippedExceptionTypes)),
                          plugins);
      }
  
      public GraphBuilderConfiguration withBytecodeExceptionMode(BytecodeExceptionMode newBytecodeExceptionMode) {
*** 307,316 ****
--- 314,324 ----
                          unresolvedIsError,
                          newBytecodeExceptionMode,
                          omitAssertions,
                          insertFullInfopoints,
                          trackNodeSourcePosition,
+                         retainLocalVariables,
                          skippedExceptionTypes,
                          plugins);
      }
  
      public GraphBuilderConfiguration withOmitAssertions(boolean newOmitAssertions) {
*** 319,328 ****
--- 327,337 ----
                          unresolvedIsError,
                          bytecodeExceptionMode,
                          newOmitAssertions,
                          insertFullInfopoints,
                          trackNodeSourcePosition,
+                         retainLocalVariables,
                          skippedExceptionTypes,
                          plugins);
      }
  
      public GraphBuilderConfiguration withFullInfopoints(boolean newInsertFullInfopoints) {
*** 331,340 ****
--- 340,350 ----
                          unresolvedIsError,
                          bytecodeExceptionMode,
                          omitAssertions,
                          newInsertFullInfopoints,
                          trackNodeSourcePosition,
+                         retainLocalVariables,
                          skippedExceptionTypes,
                          plugins);
      }
  
      public GraphBuilderConfiguration withNodeSourcePosition(boolean newTrackNodeSourcePosition) {
*** 343,352 ****
--- 353,376 ----
                          unresolvedIsError,
                          bytecodeExceptionMode,
                          omitAssertions,
                          insertFullInfopoints,
                          newTrackNodeSourcePosition,
+                         retainLocalVariables,
+                         skippedExceptionTypes,
+                         plugins);
+     }
+ 
+     public GraphBuilderConfiguration withRetainLocalVariables(boolean newRetainLocalVariables) {
+         return new GraphBuilderConfiguration(
+                         eagerResolving,
+                         unresolvedIsError,
+                         bytecodeExceptionMode,
+                         omitAssertions,
+                         insertFullInfopoints,
+                         trackNodeSourcePosition,
+                         newRetainLocalVariables,
                          skippedExceptionTypes,
                          plugins);
      }
  
      public List<ResolvedJavaType> getSkippedExceptionTypes() {
*** 367,376 ****
--- 391,404 ----
  
      public boolean trackNodeSourcePosition() {
          return trackNodeSourcePosition;
      }
  
+     public boolean retainLocalVariables() {
+         return retainLocalVariables;
+     }
+ 
      public boolean insertFullInfopoints() {
          return insertFullInfopoints;
      }
  
      public static GraphBuilderConfiguration getDefault(Plugins plugins) {
*** 379,388 ****
--- 407,417 ----
                          /* unresolvedIsError: */ false,
                          BytecodeExceptionMode.Profile,
                          /* omitAssertions: */ false,
                          /* insertFullInfopoints: */ false,
                          /* trackNodeSourcePosition: */ false,
+                         /* retainLocalVariables */ false,
                          Collections.emptyList(),
                          plugins);
      }
  
      public static GraphBuilderConfiguration getSnippetDefault(Plugins plugins) {
*** 391,400 ****
--- 420,430 ----
                          /* unresolvedIsError: */ true,
                          BytecodeExceptionMode.OmitAll,
                          /* omitAssertions: */ false,
                          /* insertFullInfopoints: */ false,
                          /* trackNodeSourcePosition: */ false,
+                         /* retainLocalVariables */ false,
                          Collections.emptyList(),
                          plugins);
      }
  
      /** Returns {@code true} if it is an error for a class/field/method resolution to fail. */