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Add compiler option to *disable* warnings-as-errors

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`-no-warnings-as-errors`

This functionality is required for build systems to be able to overload/disable a given Swift project's preference of treating warnings as errors.

Resolves rdar://problem/35699776
This commit is contained in:
Artem Chikin
2020-04-17 10:33:10 -07:00
parent 51db01475c
commit c3b0232c2c
5 changed files with 25 additions and 4 deletions
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7
lib/Frontend/CompilerInvocation.cpp
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@@ -760,7 +760,8 @@ static bool ParseClangImporterArgs(ClangImporterOptions &Opts,
Opts.PCHDisableValidation |= Args.hasArg(OPT_pch_disable_validation);
}
if (Args.hasArg(OPT_warnings_as_errors))
if (Args.hasFlag(options::OPT_warnings_as_errors,
options::OPT_no_warnings_as_errors, false))
Opts.ExtraArgs.push_back("-Werror");
Opts.DebuggerSupport |= Args.hasArg(OPT_debugger_support);
@@ -845,7 +846,9 @@ static bool ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args,
/*Default=*/llvm::sys::Process::StandardErrHasColors());
Opts.FixitCodeForAllDiagnostics |= Args.hasArg(OPT_fixit_all);
Opts.SuppressWarnings |= Args.hasArg(OPT_suppress_warnings);
Opts.WarningsAsErrors |= Args.hasArg(OPT_warnings_as_errors);
Opts.WarningsAsErrors = Args.hasFlag(options::OPT_warnings_as_errors,
options::OPT_no_warnings_as_errors,
false);
Opts.PrintDiagnosticNames |= Args.hasArg(OPT_debug_diagnostic_names);
Opts.PrintEducationalNotes |= Args.hasArg(OPT_print_educational_notes);
Opts.EnableExperimentalFormatting |=