[LLVMbugs] [Bug 24219] New: Invalid "missing sentinel" warning for variadic methods with non-id parameter type

[bugzilla-daemon at llvm.org]

https://llvm.org/bugs/show_bug.cgi?id=24219

            Bug ID: 24219
           Summary: Invalid "missing sentinel" warning for variadic
                    methods with non-id parameter type
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: costinc at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 14631
  --> https://llvm.org/bugs/attachment.cgi?id=14631&action=edit
sentinel.m

When adding "__attribute__((sentinel(0,1)))" to a variadic method with
parameter type anything other than id or void*, for instance int or void(^)(),
a "missing sentinel in method dispatch" warning is raised.

I've attached a source file that reproduces this. Compile with:
    clang -fblocks -fsyntax-only sentinel.m

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