[utils] add support for expected-remarks to update-verify-tests.py

Author: hnrklssn

test/Utils/update-verify-tests/remarks.swift

@@ -0,0 +1,21 @@
+// RUN: %empty-directory(%t)
+// RUN: split-file %s %t
+
+// RUN: not %target-swift-frontend-verify -typecheck %t/test.swift -Rmodule-api-import 2>%t/output.txt
+// RUN: %update-verify-tests < %t/output.txt
+// RUN:     %target-swift-frontend-verify -typecheck %t/test.swift -Rmodule-api-import
+// RUN: %diff %t/test.swift %t/test.swift.expected
+
+//--- test.swift
+public typealias Foo = String
+
+public typealias Bar = Optional<Int> // expected-remark@+1{{asdf}}
+
+//--- test.swift.expected
+// expected-remark@+1{{struct 'String' is imported via 'Swift'}}
+public typealias Foo = String
+
+// expected-remark@+2{{struct 'Int' is imported via 'Swift'}}
+// expected-remark@+1{{generic enum 'Optional' is imported via 'Swift'}}
+public typealias Bar = Optional<Int>
+

utils/update_verify_tests/core.py

@@ -185,7 +185,7 @@ def render(self):
 
 
 expected_diag_re = re.compile(
-    r"//(\s*)expected-([a-zA-Z-]*)(note|warning|error)(-re)?(@[+-]?\d+)?(:\d+)?(\s*)(\d+)?\{\{(.*)\}\}"
+    r"//(\s*)expected-([a-zA-Z-]*)(note|warning|error|remark)(-re)?(@[+-]?\d+)?(:\d+)?(\s*)(\d+)?\{\{(.*)\}\}"
 )
 expected_expansion_diag_re = re.compile(
     r"//(\s*)expected-([a-zA-Z-]*)(expansion)(-re)?(@[+-]?\d+)(:\d+)(\s*)(\d+)?\{\{(.*)"