ref: 6e1a5dcc9ddc07fd27b440659f46c3af8a1f6d3e
dir: /test/asm/deprecated-pi.err/
warning: deprecated-pi.asm(2): [-Wobsolete] `_PI` is deprecated; use 3.14159 ERROR: deprecated-pi.asm(3): Built-in symbol '_PI' cannot be purged error: Assembly aborted (1 error)!