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7c812814e8
-Wdeclaration-after-statement used since forever required statement expressions to inject __kcsan_disable_current(), __kcsan_enable_current() to mark data race. Now that it is gone, make macro expansion simpler. __unqual_scalar_typeof() is wordy macro by itself. "expr" is expanded twice. Link: https://lkml.kernel.org/r/fb62163f-ba21-4661-be5b-bb5124abc87d@p183 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Reviewed-by: Marco Elver <elver@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>