[llvm-bugs] [Bug 48582] New: Clang crashes compiling the MSVC standard library

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=48582

            Bug ID: 48582
           Summary: Clang crashes compiling the MSVC standard library
           Product: clang
           Version: 11.0
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++2a
          Assignee: unassignedclangbugs at nondot.org
          Reporter: mschellenbergercosta at googlemail.com
                CC: blitzrakete at gmail.com, erik.pilkington at gmail.com,
                    llvm-bugs at lists.llvm.org, richard-llvm at metafoo.co.uk

Created attachment 24314
  --> https://bugs.llvm.org/attachment.cgi?id=24314&action=edit
Proprocessed source

Currently we are trying to implement constexpr string / vector for MSVC
standard library.

One of the more difficult bugs we encountered is a hard clang-cl crash.

The interesting part is that the crash starts occuring after introducing some
special MSVC optimization that is `#ifdef`ed out for clang.

Unfortunately I was not able to get the the preprocessed files via -save-temps.
Is there some special command?

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