[Webkit-unassigned] [Bug 139348] New: Introduce and deploy a function that allocates and returns an instance of a soft-linked class

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=139348

            Bug ID: 139348
           Summary: Introduce and deploy a function that allocates and
                    returns an instance of a soft-linked class
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Platform
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mitz at webkit.org

In [[getFooClass() alloc] init*], the type of the result of +alloc is id, so the compiler picks an arbitrary declaration of init*, not necessarily the Foo one. This can then lead to warnings or errors if the types or attributes don’t match, or to runtime errors if Foo doesn’t even have the expected initializer.

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