The following warnings generated by "make check" are known to be bogus: ======================================================================= ----------- clang-3.7.1 ----------- (none) --------- gcc-9.2.0 --------- scp.c:3185:9: warning: 'pcv' may be used uninitialized in this function [-Wmaybe-uninitialized] (-O3 only) scp.c:3657:9: warning: 'idx' may be used uninitialized in this function [-Wmaybe-uninitialized] (-O3 only) hp3000_mem.c:976:9: error: 'target_word' may be used uninitialized in this function [-Werror=maybe-uninitialized] (-O3 only) ---------------- gcc-5.4.0-cygwin ---------------- scp.c:1236:9: warning: ‘idx’ may be used uninitialized in this function [-Wmaybe-uninitialized] hp2100_cpu5.c:2029:8: warning: `subcode' may be used uninitialized in this function [-Wmaybe-uninitialized] --------- vc++ 2008 --------- sim_tmxr.c(412) : warning C4244: '=' : conversion from 'int32' to 'uint8', possible loss of data hp2100_cpu3.c(745) : warning C4701: potentially uninitialized local variable 't' used (32-bit compile only) hp2100_cpu5.c(1172) : warning C4701: potentially uninitialized local variable 'subcode' used hp2100_sys.c(2493) : warning C4701: potentially uninitialized local variable 'dptr' used hp2100_sys.c(2718) : warning C4701: potentially uninitialized local variable 'dptr' used hp_tapelib.c(3547) : warning C4701: potentially uninitialized local variable 'gap_inches' used hp_tapelib.c(3547) : warning C4701: potentially uninitialized local variable 'gap_tenths' used hp3000_adcc.c(3442) : warning C4701: potentially uninitialized local variable 'chr' used hp3000_atc.c(3101) : warning C4701: potentially uninitialized local variable 'interrupts' used hp3000_cpu.c(2900) : warning C4701: potentially uninitialized local variable 'base' used hp3000_cpu.c(2919) : warning C4701: potentially uninitialized local variable 'class' used hp3000_cpu.c(3362) : warning C4701: potentially uninitialized local variable 'program_count' used hp3000_cpu.c(3389) : warning C4701: potentially uninitialized local variable 'entry_number' used hp3000_cpu.c(4236) : warning C4701: potentially uninitialized local variable 'device' used hp3000_cpu_base.c(3435) : warning C4701: potentially uninitialized local variable 'byte' used hp3000_cpu_base.c(3435) : warning C4701: potentially uninitialized local variable 'test_byte' used hp3000_cpu_cis.c(2154) : warning C4701: potentially uninitialized local variable 'source_byte' used hp3000_cpu_cis.c(2154) : warning C4701: potentially uninitialized local variable 'target_byte' used hp3000_cpu_eis.c(1853) : warning C4701: potentially uninitialized local variable 'end_index' used hp3000_cpu_fp.c(241) : warning C4701: potentially uninitialized local variable 'right' used hp3000_gic.c(2334) : warning C4701: potentially uninitialized local variable 'rptr' used hp3000_mpx.c(1246) : warning C4701: potentially uninitialized local variable 'srn' used hp3000_mpx.c(1277) : warning C4701: potentially uninitialized local variable 'dibptr' used hp3000_mpx.c(1252) : warning C4701: potentially uninitialized local variable 'sio_order' used hp3000_sys.c(1792) : warning C4701: potentially uninitialized local variable 'dptr' used hp3000_sys.c(1569) : warning C4701: potentially uninitialized local variable 'dptr' used