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Add "disable" counterpart to -enable-experimental-opened-existential-types

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This commit is contained in:
Doug Gregor
2022-02-18 09:23:08 -08:00
parent e1f68b26c5
commit 0215216c00
2 changed files with 8 additions and 2 deletions
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4
include/swift/Option/FrontendOptions.td
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@@ -518,6 +518,10 @@ def enable_experimental_opened_existential_types :
Flag<["-"], "enable-experimental-opened-existential-types">,
HelpText<"Enable experimental support for implicitly opened existentials">;
def disable_experimental_opened_existential_types :
Flag<["-"], "disble-experimental-opened-existential-types">,
HelpText<"Disable experimental support for implicitly opened existentials">;
def enable_deserialization_recovery :
Flag<["-"], "enable-deserialization-recovery">,
HelpText<"Attempt to recover from missing xrefs (etc) in swiftmodules">;

6
lib/Frontend/CompilerInvocation.cpp
View File

@@ -448,8 +448,10 @@ static bool ParseLangArgs(LangOptions &Opts, ArgList &Args,
Opts.EnableParameterizedProtocolTypes |=
Args.hasArg(OPT_enable_parameterized_protocol_types);
Opts.EnableOpenedExistentialTypes |=
Args.hasArg(OPT_enable_experimental_opened_existential_types);
Opts.EnableOpenedExistentialTypes =
Args.hasFlag(OPT_enable_experimental_opened_existential_types,
OPT_disable_experimental_opened_existential_types,
false);
// SwiftOnoneSupport produces different symbols when opening existentials,
// so disable it.