[llvm-bugs] [Bug 38320] New: Debugging in Visual Studio 2015 doesn't display locals if ghash is used

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=38320

            Bug ID: 38320
           Summary: Debugging in Visual Studio 2015 doesn't display locals
                    if ghash is used
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: aaronh at readyatdawn.com
                CC: llvm-bugs at lists.llvm.org

I've been following some of the blog posts with regard to Windows support, as
the improved link times sound pretty great (lld-link is currently crashing,
though not in a simple test). This is from the latest windows x64 installer. 

When I try to use ghash, Visual Studio isn't able to display anything via the
watch window (or mouse over).  Without GHASH, this seems fine in the most basic
of tests (int main, with a local int variable). 

\_temp>clang-cl --version
clang version 7.0.0 (trunk)
Target: x86_64-pc-windows-msvc
Thread model: posix
InstalledDir: C:\Program Files\LLVM_7\bin

clang-cl -c -Z7 -MTd -o foo.obj foo.cpp -mllvm -emit-codeview-ghash-section
lld-link /DEBUG:GHASH foo.obj


Am I overlooking anything here?  

Thanks!

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