Gardening: Migrate test suite to GH issues: incrParse

Author: AnthonyLatsis

test/incrParse/inserted_text_starts_identifier.swift

@@ -1,6 +1,7 @@
 // RUN: %empty-directory(%t)
 // RUN: %validate-incrparse %s --test-case STRING
 
-// SR-8995 rdar://problem/45259469
+// rdar://problem/45259469
+// https://github.com/apple/swift/issues/51498
 
 self = <<STRING<|||_                            _>>>foo(1)[object1, object2] + o bar(1)