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[CS] Remove CTP_CannotFail

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This is now unused.
This commit is contained in:
Hamish Knight
2025-11-29 21:35:42 +00:00
parent ae82b29e35
commit 3861d58175
5 changed files with 2 additions and 11 deletions
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8
lib/Sema/CSDiagnostics.cpp
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@@ -864,7 +864,6 @@ GenericArgumentsMismatchFailure::getDiagnosticFor(
case CTP_ThrowStmt:
case CTP_ForEachSequence:
case CTP_Unused:
case CTP_CannotFail:
case CTP_YieldByReference:
case CTP_EnumCaseRawValue:
case CTP_ExprPattern:
@@ -973,7 +972,7 @@ bool GenericArgumentsMismatchFailure::diagnoseAsError() {
case ConstraintLocator::ContextualType: {
auto purpose = getContextualTypePurpose();
assert(!(purpose == CTP_Unused || purpose == CTP_CannotFail));
assert(purpose != CTP_Unused);
// If this is call to a closure e.g. `let _: A = { B() }()`
// let's point diagnostic to its result.
@@ -2949,9 +2948,7 @@ static std::optional<Diag<Type>>
getContextualNilDiagnostic(ContextualTypePurpose CTP) {
switch (CTP) {
case CTP_Unused:
case CTP_CannotFail:
llvm_unreachable("These contextual type purposes cannot fail with a "
"conversion type specified!");
llvm_unreachable("Expected a contextual purpose");
case CTP_Initialization:
return diag::cannot_convert_initializer_value_nil;
@@ -3749,7 +3746,6 @@ ContextualFailure::getDiagnosticFor(ContextualTypePurpose context,
case CTP_ThrowStmt:
case CTP_ForEachSequence:
case CTP_Unused:
case CTP_CannotFail:
case CTP_YieldByReference:
case CTP_ExprPattern:
break;