averello/swift-mirror
1
0
Fork 0
mirror of https://github.com/apple/swift.git synced 2025-12-21 12:14:44 +01:00
Code Issues Packages Projects Releases Wiki Activity

Revert "Turn on ‘as’ bridging on Linux."

Browse Source
This commit is contained in:
Ben Langmuir
2018-05-17 14:54:35 -07:00
committed by GitHub
parent 6e5605aee8
commit 628b6a1fc7
15 changed files with 111 additions and 324 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
lib/SIL/DynamicCasts.cpp
View File

@@ -1134,19 +1134,22 @@ bool swift::canUseScalarCheckedCastInstructions(SILModule &M,
if (!objectType.isAnyClassReferenceType())
return false;
if (M.getASTContext().LangOpts.EnableObjCInterop) {
auto super = archetype->getSuperclass();
if (super.isNull())
return false;
// A base class constraint that isn't NSError rules out the archetype being
// bound to NSError.
if (M.getASTContext().LangOpts.EnableObjCInterop) {
if (auto nserror = M.Types.getNSErrorType())
return !super->isEqual(nserror);
// A base class constraint that isn't NSError rules out the archetype being
// bound to NSError.
if (auto nserror = M.Types.getNSErrorType())
return !super->isEqual(nserror);
// If NSError wasn't loaded, any base class constraint must not be NSError.
return true;
} else {
// If ObjC bridging isn't enabled, we can do a scalar cast from any
// reference type to any class-constrained archetype.
return archetype->requiresClass();
}
// If NSError wasn't loaded, any base class constraint must not be NSError.
return true;
}
if (M.getASTContext().LangOpts.EnableObjCInterop