[llvm-bugs] [Bug 33178] New: CXXMangler crash on ChakraCore

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=33178

            Bug ID: 33178
           Summary: CXXMangler crash on ChakraCore
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: piotr.padlewski at gmail.com
                CC: dgregor at apple.com, llvm-bugs at lists.llvm.org

Created attachment 18516
  --> https://bugs.llvm.org/attachment.cgi?id=18516&action=edit
sh reproducer

clang from the trunk crashes while compiling Chakra core with the following
assertion:
clang-5.0: llvm/tools/clang/lib/AST/ItaniumMangle.cpp:4518: void (anonymous
namespace)::CXXNameMangler::addSubstitution(uintptr_t): Assertion
`!Substitutions.count(Ptr) && "Substitution already exists!"' failed.

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