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Start a Compatibility51 library for backporting fixes to Swift 5.1 runtimes

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This commit is contained in:
Joe Groff
2020-04-16 17:10:17 -07:00
parent f125d120bf
commit 42514f42e0
10 changed files with 126 additions and 7 deletions
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2
lib/Frontend/CompilerInvocation.cpp
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@@ -1413,6 +1413,8 @@ static bool ParseIRGenArgs(IRGenOptions &Opts, ArgList &Args,
runtimeCompatibilityVersion = None;
} else if (version.equals("5.0")) {
runtimeCompatibilityVersion = llvm::VersionTuple(5, 0);
} else if (version.equals("5.1")) {
runtimeCompatibilityVersion = llvm::VersionTuple(5, 1);
} else {
Diags.diagnose(SourceLoc(), diag::error_invalid_arg_value,
versionArg->getAsString(Args), version);