Sema: Windows/ARM __va_start is not const correct
The `__va_start` intrinsic for Windows ARM does not account for const
correctness when performing a check. All local qualifiers are ignored
when validating the invocation. This was exposed by building the swift
stdlib against the Windows 10586 SDK for ARM. Simply expand out the
check for the two parameters and ignore the qualifiers for the check.
Cherry-picked by aschwaighofer for Swift on Windows.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@314226 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit aa8167de48648f6a6b46e0be6ca66462bc6ee38c)
2 files changed
