Clang on Windows targeting mingw-64/gcc building 64bit code

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Clang on Windows targeting mingw-64/gcc building 64bit code

Ilya Biryukov via cfe-dev
When I build clang on Windows targeting mingw(-64)/gcc using CMake, is
the clang++.exe capable of building 64-bit binaries, or do I need to
specify anything in the CMake parameters for this ?

My assumption is that the clang++.exe built supports both 32-bit and
64-bit code. However after building, and then setting the PATH so that
both the clang bin directory and the mingw-64/gcc 5.1 64 bit
implementation's bin directory are added, when I execute:

clang++ --version I get from Windows:

"The program can't start because libgcc_s_dw2-1.dll is missing from your
computer."

The particular DLL libgcc_s_dw2-1.dll is present in the mingw-64/gcc 5.1
32 bit implementation. Am I supposed to be using the 32 bit
implementation of mingw-64/gcc even when building a 64-bit binary ?

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