Added exact label names for labels

compiler/testData/cfg/declarations/functionLiterals/unusedFunctionLiteral.instructions

@@ -7,16 +7,16 @@ L0:
   1 <START>
   2 mark({ {} })
     mark({})
-    jmp?(L2)         NEXT:[r({}) -> <v0>, d({})]
-    d({})            NEXT:[<SINK>]
-L2:
-    r({}) -> <v0>    PREV:[jmp?(L2)]
+    jmp?(L2 [after local declaration])    NEXT:[r({}) -> <v0>, d({})]
+    d({})                                 NEXT:[<SINK>]
+L2 [after local declaration]:
+    r({}) -> <v0>                         PREV:[jmp?(L2 [after local declaration])]
 L1:
-  1 <END>            NEXT:[<SINK>]
+  1 <END>                                 NEXT:[<SINK>]
 error:
-    <ERROR>          PREV:[]
+    <ERROR>                               PREV:[]
 sink:
-    <SINK>           PREV:[<ERROR>, <END>, d({})]
+    <SINK>                                PREV:[<ERROR>, <END>, d({})]
 =====================
 == anonymous_0 ==
 {}
@@ -31,4 +31,4 @@ error:
     <ERROR>        PREV:[]
 sink:
     <SINK>         PREV:[<ERROR>, <END>]
-=====================
+=====================