alloc-in-bodyThe loop body allocates

Reported by --explain after a verdict.

mettle explain alloc-in-body

Every iteration runs new. Allocation is a call into the allocator, it can fail, and it has an order the lanes would have to keep.

Fix: allocate once before the loop and reuse the buffer.

Related

• call-in-bodyThe loop body calls a function
• extern-call-in-bodyThe loop body calls an external function
• indirect-callThe loop body calls through a function pointer
• inline-asmThe loop body contains inline assembly
• control-flowThe loop body branches
• early-exitThe loop can leave before its trip count
• int16-elements16-bit integer elements have no kernel
• int64-elements64-bit integer elements have no kernel