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Merge pull request #64058 from jckarter/minimize-abi-effect-of-parameter-modifiers-b

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Only mangle `borrowing`/`consuming` when they would change ABI.
This commit is contained in:
Joe Groff
2023-03-03 07:01:50 -08:00
committed by GitHub
parent 1b3fda7857 5345e982e9
commit 5ef0c4eaad
16 changed files with 281 additions and 138 deletions
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4
lib/Sema/CSSimplify.cpp
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@@ -3201,8 +3201,8 @@ ConstraintSystem::matchFunctionTypes(FunctionType *func1, FunctionType *func2,
// we've already ensured that the destination function is not
// @differentiable.
auto flags = param.getParameterFlags();
flags = flags.withValueOwnership(
param.isInOut() ? ValueOwnership::InOut : ValueOwnership::Default);
flags = flags.withOwnershipSpecifier(
param.isInOut() ? ParamSpecifier::InOut : ParamSpecifier::Default);
flags = flags.withNonEphemeral(false)
.withNoDerivative(false);
if (!flags.isNone())