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Bug
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    Resolution: Done
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P0: Blocker
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    5.7.0
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    None
 
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        184b2ea4ea9c3e4ad735ff67c5a399e9613da8ab
 
Attempting to build with an aarch64 gcc (4.9.2) that has __ARM_NEON but no __ARM_FEATURE_CRC32 breaks when attempting to include arm_acle.h as there is no such file.
Note that the block was not hit before due to Q_PROCESSOR_ARMV8 not getting defined due to another bug. See https://codereview.qt-project.org/#/c/159632/