[LLVMbugs] [Bug 24325] Compiler generating an unnecessary volatile load

[bugzilla-daemon at llvm.org]

https://llvm.org/bugs/show_bug.cgi?id=24325

Richard Smith <richard-llvm at metafoo.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |richard-llvm at metafoo.co.uk
         Resolution|---                         |INVALID

--- Comment #1 from Richard Smith <richard-llvm at metafoo.co.uk> ---
Clang is correct; in C++11 onwards, an expression-statement is a
discarded-value expression, and if it has volatile type, an extra
lvalue-to-rvalue conversion is performed.

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