[llvm-dev] GCC 5 and -Wstrict-aliasing in JSON.h

[Sam McCall via llvm-dev]

Author of the problematic code here. Thanks everyone, and sorry to have
caused difficulty!

Obviously if there really is something illegal here we should fix it in
LLVM, but it looks like this warning is a false positive (anyone disagree?)

Still if there's a simple source-level workaround, or we can suppress the
warning with a #pragma, I'd be happy to do that. GCC 4.9.3 is a supported
compiler for LLVM and the more configurations we build cleanly in, the
better.

If this is a useful direction, could someone with an affected environment
send me a small patch? I don't have the right setup to verify myself.

Cheers, Sam
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