[llvm-bugs] [Bug 25656] New: gcc cxx11 abi and clang

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=25656

            Bug ID: 25656
           Summary: gcc cxx11 abi and clang
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: claprix at yandex.ru
                CC: dgregor at apple.com, llvm-bugs at lists.llvm.org
    Classification: Unclassified

Hi.

Ubuntu 15.04, gcc 5.2.1, recent clang APT http://llvm.org/apt/

I use libglog. Which is built with new gcc cxx11 abi. Clang is unable to
perform this.

#include <glog/logging.h>
int main() {
  google::base::CheckOpMessageBuilder("").NewString();
  return 0;
}

clang++ -std=c++14 test.cc -lglog

/tmp/test-65a5b3.o:test.cc:function main: error: undefined reference to
'google::base::CheckOpMessageBuilder::NewString()'
clang: error: linker command failed with exit code 1 (use -v to see invocation)

$ nm /usr/lib/x86_64-linux-gnu/libglog.a | c++filt | grep NewString
00000000000042a0 T google::base::CheckOpMessageBuilder::NewString[abi:cxx11]()

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