id summary reporter owner description type status priority milestone component version resolution keywords cc difficulty 1626 +inf.0 inserted literally into C code in some situations with -O3 and above Diego "For example, the following code doesn't compile due to this: {{{ (import chicken.flonum) (define x 5.0) (cond [(fp= x +inf.0) (fpabs x)] [else (print ""Nothing"")]) }}} With the first few errors being: {{{ test.c:110:74: error: ‘inf’ undeclared (first use in this function); did you mean ‘ynf’? 110 | if(C_truep(C_ub_i_flonum_equalp(C_flonum_magnitude(*((C_word*)lf[0]+1)),+inf.0))){ | ^~~ /usr/include/chicken/chicken.h:1035:38: note: in definition of macro ‘C_truep’ 1035 | #define C_truep(x) ((x) != C_SCHEME_FALSE) | ^ }}} Weirdly enough, if I replace {{{fpabs}}} with {{{print}}}, the compilation goes fine. " defect closed major 5.2 compiler 5.1.0 fixed medium