[LLVMbugs] [Bug 20579] New: Codegen crashes generating Itanium vtables on Win32

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=20579

            Bug ID: 20579
           Summary: Codegen crashes generating Itanium vtables on Win32
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: LLVM Codegen
          Assignee: unassignedclangbugs at nondot.org
          Reporter: zturner at google.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 12863
  --> http://llvm.org/bugs/attachment.cgi?id=12863&action=edit
Preprocessed source file

This is reproducible by checking out LLDB on Windows, generating Ninja build
files with CMake, and running ninja check-lldb.

Currently this generates hundreds of crashes in clang.  The details of one such
crash are attached here.

 "d:\\src\\llvm\\build\\ninja\\bin\\clang++.exe" -cc1 -triple
i686-pc-windows-msvc -emit-obj -mrelax-all -disable-free -main-file-name
preprocessed.cpp -mrelocation-model static -mdisable-fp-elim -fmath-errno
-masm-verbose -mconstructor-aliases -target-cpu pentium4 -g -dwarf-column-info
-w -std=c++11 -fdeprecated-macro -ferror-limit 19 -fmessage-length 3000
-mstackrealign -fms-extensions -fms-compatibility
-fms-compatibility-version=17.00 -fdelayed-template-parsing -fobjc-runtime=gcc
-fcxx-exceptions -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -x
c++ preprocessed-2f8df4.cpp

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