Fix Function.end_token_pos() and implement MethodMirror.source getter

runtime/vm/intermediate_language.h

Index: runtime/vm/intermediate_language.h
diff --git a/runtime/vm/intermediate_language.h b/runtime/vm/intermediate_language.h
index a3b7fc75348037701e521782005847aa6cc5d2da..a0d0e216604c17b050c853b9f89c0bfe37378e0d 100644
--- a/runtime/vm/intermediate_language.h
+++ b/runtime/vm/intermediate_language.h
@@ -40,10 +40,10 @@ class Range;
 #define RECOGNIZED_LIST(V)                                                     \
   V(::, identical, ObjectIdentical, 101186973)                                 \
   V(Object, Object., ObjectConstructor, 1058525712)                            \
-  V(Object, get:_cid, ObjectCid, 2099568593)                                   \
-  V(_ObjectArray, get:length, ObjectArrayLength, 1441000484)                   \
+  V(Object, get:_cid, ObjectCid, 1498661928)                                   \
+  V(_ObjectArray, get:length, ObjectArrayLength, 259323113)                    \
   V(_ImmutableArray, get:length, ImmutableArrayLength, 1430953867)             \
-  V(_TypedList, get:length, TypedDataLength, 117589485)                        \
+  V(_TypedList, get:length, TypedDataLength, 26556746)                         \
   V(_TypedList, _getInt8, ByteArrayBaseGetInt8, 788387678)                     \
   V(_TypedList, _getUint8, ByteArrayBaseGetUint8, 1137892349)                  \
   V(_TypedList, _getInt16, ByteArrayBaseGetInt16, 464167270)                   \
@@ -66,11 +66,11 @@ class Range;
   V(_GrowableObjectArray, get:_capacity, GrowableArrayCapacity, 874559046)     \
   V(_GrowableObjectArray, _setData, GrowableArraySetData, 1302055339)          \
   V(_GrowableObjectArray, _setLength, GrowableArraySetLength, 1016226171)      \
-  V(_StringBase, get:length, StringBaseLength, 1158042795)                     \
+  V(_StringBase, get:length, StringBaseLength, 1483460481)                     \
   V(_StringBase, get:isEmpty, StringBaseIsEmpty, 1588094430)                   \
-  V(_StringBase, codeUnitAt, StringBaseCodeUnitAt, 1452213966)                 \
+  V(_StringBase, codeUnitAt, StringBaseCodeUnitAt, 1958436584)                 \
   V(_StringBase, [], StringBaseCharAt, 924930519)                              \
-  V(_OneByteString, _setAt, OneByteStringSetAt, 456985263)                     \
+  V(_OneByteString, _setAt, OneByteStringSetAt, 1754827784)                    \
   V(_IntegerImplementation, toDouble, IntegerToDouble, 2141284842)             \
   V(_IntegerImplementation, _leftShiftWithMask32, IntegerLeftShiftWithMask32,  \
       964472615)                                                               \