Sean Callanan 2c50b0ca48 swift -frontend "" shouldn't enter the REPL by default. ...

This patch fixes a problem where a CompilerInvocation
with no arguments would set the LangaugeOpts etc. up for
the deprecated-integrated-repl, including setting the
module name etc.  Now this only happens if you explicitly
invoke swift -frontend -repl.

Updated testcases that care, and added a new testcase to
ensure that an error is properly generated.

<rdar://problem/17918172>


Swift SVN r21537

2014-08-28 18:38:13 +00:00

231 B

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