How do I report some extremely weird (useless) code generated by GDC when the -O3 option is used? (bizarre rats’ nest of conditional jumps). [I am an experienced professional asm programmer, now retired.]

The D source is short, fortunately. The asm output I am looking at is seen through the telescope that is Matt GodBolt’s Compiler Explorer at http://explore.dgnu.org so I possibly would want to pull the asm text from that site (somehow).

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