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Sema: Reject unimplemented key path components during resolveKeyPathExpr.

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This is a bit more robust and user-friendly than hoping more brittle recovery in SILGen or IRGen for unsupported components kicks in. rdar://problem/32200714
This commit is contained in:
Joe Groff
2017-05-15 14:09:44 -07:00
parent 69a7ef6e2d
commit faa6bc72f0
17 changed files with 63 additions and 18 deletions
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4
lib/Frontend/CompilerInvocation.cpp
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@@ -914,8 +914,8 @@ static bool ParseLangArgs(LangOptions &Opts, ArgList &Args,
Opts.EnableExperimentalPropertyBehaviors |=
Args.hasArg(OPT_enable_experimental_property_behaviors);
Opts.EnableExperimentalKeyPaths |=
Args.hasArg(OPT_enable_experimental_keypaths);
Opts.EnableExperimentalKeyPathComponents |=
Args.hasArg(OPT_enable_experimental_keypath_components);
Opts.EnableClassResilience |=
Args.hasArg(OPT_enable_class_resilience);