Undefined behavior with shift bounds

[JesseRMeyer]

tlsf-bsd/tlsf.c

Line 229 in 968c595

size_t t = ((size_t) 1 << (log2floor(size) - SL_SHIFT)) - 1;

With size of 24, UBSAN reports: tlsf.c:229:28: runtime error: shift exponent 4294967295 is too large for 64-bit type 'size_t' (aka 'unsigned long')