Make computed class method immutable

Bug: 446634535
Change-Id: I74620e37096f98a1fc9d9e0e71d5ec1d2fd8baca
Reviewed-on: https://chrome-internal-review.googlesource.com/c/v8/fuzzilli/+/8634697
Reviewed-by: Matthias Liedtke <mliedtke@google.com>
Auto-Submit: Michael Achenbach <machenbach@google.com>
Commit-Queue: Michael Achenbach <machenbach@google.com>
Commit-Queue: Matthias Liedtke <mliedtke@google.com>

Author: mi-ac

Sources/Fuzzilli/FuzzIL/JsOperations.swift

@@ -757,7 +757,7 @@ final class BeginClassInstanceComputedMethod: BeginAnySubroutine {
 
     init(parameters: Parameters) {
         // First inner output is the explicit |this| parameter
-        super.init(parameters: parameters, numInputs: 1, numInnerOutputs: parameters.count + 1, attributes: [.isMutable, .isBlockStart], requiredContext: .classDefinition, contextOpened: [.javascript, .subroutine, .method, .classMethod])
+        super.init(parameters: parameters, numInputs: 1, numInnerOutputs: parameters.count + 1, attributes: [.isBlockStart], requiredContext: .classDefinition, contextOpened: [.javascript, .subroutine, .method, .classMethod])
     }
 }
 
@@ -876,7 +876,7 @@ final class BeginClassStaticComputedMethod: BeginAnySubroutine {
 
     init(parameters: Parameters) {
         // First inner output is the explicit |this| parameter
-        super.init(parameters: parameters, numInputs: 1, numInnerOutputs: parameters.count + 1, attributes: [.isMutable, .isBlockStart], requiredContext: .classDefinition, contextOpened: [.javascript, .subroutine, .method, .classMethod])
+        super.init(parameters: parameters, numInputs: 1, numInnerOutputs: parameters.count + 1, attributes: [.isBlockStart], requiredContext: .classDefinition, contextOpened: [.javascript, .subroutine, .method, .classMethod])
     }
 }