• Russ Cox's avatar
    fix line numbers, again. · fda0e78b
    Russ Cox authored
    if first function in file was dead code, it was being
    discarded along with the file name information for that file.
    leave the functions in the master function list longer:
    let xfol take the dead code out of the code list,
    and let span skip the unreachable functions during output.
    
    before
    	throw: sys·mapaccess1: key not in map
    
    	panic PC=0x2e7b20
    	throw+0x33 /Users/rsc/go/src/pkg/runtime/runtime.c:65
    		throw(0x5834f, 0x0)
    	sys·mapaccess1+0x73 /Users/rsc/go/src/pkg/runtime/hashmap.c:769
    		sys·mapaccess1(0x2b9bd0, 0x0)
    	gob·*Encoder·Encode+0x16b /Users/rsc/go/src/pkg/fmt/print.go:2926
    		gob·*Encoder·Encode(0x2bb440, 0x0, 0x558b0, 0x0, 0x2e4be0, ...)
    	main·walk+0x331 :1603
    		main·walk(0x33a480, 0x0)
    	main·walk+0x271 :1596
    		main·walk(0x300640, 0x0)
    	main·walk+0x271 :1596
    		main·walk(0x300520, 0x0)
    	main·walk+0x271 :1596
    		main·walk(0x300240, 0x0)
    	main·walk+0x271 :1596
    		main·walk(0x678f8, 0x0)
    	main·main+0x22 :1610
    		main·main()
    
    after
    	throw: sys·mapaccess1: key not in map
    
    	panic PC=0x2e7b20
    	throw+0x33 /Users/rsc/go/src/pkg/runtime/runtime.c:65
    		throw(0x5834f, 0x0)
    	sys·mapaccess1+0x73 /Users/rsc/go/src/pkg/runtime/hashmap.c:769
    		sys·mapaccess1(0x2b9bd0, 0x0)
    	gob·*Encoder·Encode+0x16b /Users/rsc/go/src/pkg/gob/encoder.go:319
    		gob·*Encoder·Encode(0x2bb3c0, 0x0, 0x558b0, 0x0, 0x2e4be0, ...)
    	main·walk+0x331 /Users/rsc/dir.go:121
    		main·walk(0x2f6ab0, 0x0)
    	main·walk+0x271 /Users/rsc/dir.go:114
    		main·walk(0x301640, 0x0)
    	main·walk+0x271 /Users/rsc/dir.go:114
    		main·walk(0x301520, 0x0)
    	main·walk+0x271 /Users/rsc/dir.go:114
    		main·walk(0x301240, 0x0)
    	main·walk+0x271 /Users/rsc/dir.go:114
    		main·walk(0x678f8, 0x0)
    	main·main+0x22 /Users/rsc/dir.go:128
    		main·main()
    	mainstart+0xe /Users/rsc/go/src/pkg/runtime/amd64/asm.s:55
    		mainstart()
    	goexit /Users/rsc/go/src/pkg/runtime/proc.c:133
    		goexit()
    
    R=r
    DELTA=46  (20 added, 25 deleted, 1 changed)
    OCL=34094
    CL=34103
    fda0e78b
span.c 32.8 KB