patrick@gentoo.org Patrick Lauer tomboy64@sina.cn Matthew Brewer perl@gentoo.org Gentoo Perl Project Enable clang's Address Sanitizer functionality. Expect longer compile time. Use clang compiler instead of GCC Enable Just-In-Time-Compiler. Has no effect except on AMD64 and Darwin. Enable optimization via CFLAGS Enable clang's Undefined Behavior Sanitizer functionality. Expect longer compile time. MoarVM/MoarVM