Merge remote-tracking branch 'origin/develop' into breaking

test/cmdlineTests/message_format_utf16/err

@@ -0,0 +1,11 @@
+Warning: SPDX license identifier not provided in source file. Before publishing, consider adding a comment containing "SPDX-License-Identifier: <SPDX-License>" to each source file. Use "SPDX-License-Identifier: UNLICENSED" for non-open-source code. Please see https://spdx.org for more information.
+--> message_format_utf16/input.sol
+
+Warning: Source file does not specify required compiler version!
+--> message_format_utf16/input.sol
+
+Warning: Statement has no effect.
+ --> message_format_utf16/input.sol:2:58:
+  |
+2 | /* ©©©©ﾩ©©©©© 2017 */ constructor () public { "©©©©ﾩ©©©©©" ; }
+  |                                               ^^^^^^^^^^^^

test/cmdlineTests/message_format_utf16/input.sol

@@ -0,0 +1,3 @@
+contract Foo {
+/* ©©©©ﾩ©©©©© 2017 */ constructor () public { "©©©©ﾩ©©©©©" ; }
+}