Compiles and links for debugging, but does not disable inlining.
This option is the same as –g, except that +d is disabled and dbx cannot step into inlined functions.
If you specify -g0 and the optimization level is -xO3 or lower, the compiler provides best-effort symbolic information with almost full optimization. Tail-call optimization and back-end inlining are disabled.
+d,– g, Debugging a Program With dbx