ref: 3afa6b5a5a1711fa072f4d5e6f25fcb23070e473
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)!