IDEA-184560 Java decompiler doesn't use stored parameter names

testData/results/TestMethodParametersAttr.dec

@@ -0,0 +1,125 @@
+package decompiler;
+
+public class TestMethodParametersAttr {
+   TestMethodParametersAttr(int p01) {
+   }// 19
+
+   void m1(int p02) {
+   }// 20
+
+   static void m2(int p03) {
+   }// 21
+
+   void local() {
+      class Local {
+         Local(final int this$0) {
+         }// 36
+
+         void m(int p32) {
+         }// 37
+      }
+
+   }// 39
+
+   abstract static class C4 {
+      abstract void m1(int p51);
+
+      abstract void m2(final int p52);
+   }
+
+   abstract class C3 {
+      abstract void m1(int p51);
+
+      abstract void m2(final int p52);
+   }
+
+   interface I1 {
+      void m1(int p41);
+
+      void m2(final int p42);
+   }
+
+   static class C2 {
+      C2(int p21) {
+      }// 29
+
+      void m1(int p22) {
+      }// 30
+
+      static void m2(int p23) {
+      }// 31
+   }
+
+   class C1 {
+      C1(final int this$0) {
+      }// 24
+
+      void m(int p12) {
+      }// 25
+   }
+}
+
+class 'decompiler/TestMethodParametersAttr' {
+   method '<init> (I)V' {
+      4      4
+   }
+
+   method 'm1 (I)V' {
+      0      7
+   }
+
+   method 'm2 (I)V' {
+      0      10
+   }
+
+   method 'local ()V' {
+      0      21
+   }
+}
+
+class 'decompiler/TestMethodParametersAttr$1Local' {
+   method '<init> (Ldecompiler/TestMethodParametersAttr;I)V' {
+      9      15
+   }
+
+   method 'm (I)V' {
+      0      18
+   }
+}
+
+class 'decompiler/TestMethodParametersAttr$C2' {
+   method '<init> (I)V' {
+      4      43
+   }
+
+   method 'm1 (I)V' {
+      0      46
+   }
+
+   method 'm2 (I)V' {
+      0      49
+   }
+}
+
+class 'decompiler/TestMethodParametersAttr$C1' {
+   method '<init> (Ldecompiler/TestMethodParametersAttr;I)V' {
+      9      54
+   }
+
+   method 'm (I)V' {
+      0      57
+   }
+}
+
+Lines mapping:
+19 <-> 5
+20 <-> 8
+21 <-> 11
+24 <-> 55
+25 <-> 58
+29 <-> 44
+30 <-> 47
+31 <-> 50
+36 <-> 16
+37 <-> 19
+39 <-> 22

testData/src/pkg/TestMethodParametersAttr.java

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2000-2014 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package decompiler;
+
+// compile with java 8: javap -parameters TestMethodParametersAttr.java
+public class TestMethodParametersAttr {
+  TestMethodParametersAttr(int p01) { }
+  void m1(int p02) { }
+  static void m2(int p03) { }
+
+  class C1 {
+    C1(int p11) { }
+    void m(int p12) { }
+  }
+
+  static class C2 {
+    C2(int p21) { }
+    void m1(int p22) { }
+    static void m2(int p23) { }
+  }
+
+  void local() {
+    class Local {
+      Local(int p31) { }
+      void m(int p32) { }
+    }
+  }
+
+  interface I1 {
+      void m1(int p41);
+      void m2(final int p42);
+  }
+
+  abstract class C3 {
+    abstract void m1(int p51);
+    abstract void m2(final int p52);
+  }
+
+  static abstract class C4 {
+    abstract void m1(int p51);
+    abstract void m2(final int p52);
+  }
+}