[LLVMbugs] [Bug 20279] New: "opt" doesn't accept clang-generated IR with comdats

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=20279

            Bug ID: 20279
           Summary: "opt" doesn't accept clang-generated IR with comdats
           Product: tools
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: opt
          Assignee: unassignedbugs at nondot.org
          Reporter: timurrrr at google.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

=== test.cpp ===
struct X {
  X();
  virtual void f();
};

X::X() {}
================

[On win32]
$ clang -cc1 -emit-llvm -o - test.cpp | opt -asan -asan-module -S
opt: <stdin>:21:91: error: expected top-level entity
@"\01??_7X@@6B@" = unnamed_addr alias getelementptr inbounds ([2 x i8*]* @0,
i32 0, i32 1), comdat $"\01??_7X@@6B@"
                                                                               
          ^

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