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What steps will reproduce the problem?
1. Run '6l crash1.go'
What is the expected output?
Error message, preferably no crash
What do you see instead?
Crash (SIGSEGV)
What is your $GOOS? $GOARCH?
linux/amd64
Which revision are you using? (hg identify)
80fd480b0892+ tip
Please provide any additional information below.
$ gdb /usr/local/google/src/go/6g
(gdb) r crash1.go
Program received signal SIGSEGV, Segmentation fault.
0x0000000000420c8b in mppow10flt (a=0x7fffffffd7d0, p=-1) at
/usr/local/google/src/go/src/cmd/gc/mparith1.c:225
225 mppow10flt(a, p>>1);
#0 0x0000000000420c8b in mppow10flt (a=0x7fffffffd7d0, p=-1) at
/usr/local/google/src/go/src/cmd/gc/mparith1.c:225
#1 0x0000000000420c90 in mppow10flt (a=0x7fffffffd7d0, p=-1) at
/usr/local/google/src/go/src/cmd/gc/mparith1.c:225
#2 0x0000000000420c90 in mppow10flt (a=0x7fffffffd7d0, p=-1) at
/usr/local/google/src/go/src/cmd/gc/mparith1.c:225
#3 0x0000000000420c90 in mppow10flt (a=0x7fffffffd7d0, p=-1) at
/usr/local/google/src/go/src/cmd/gc/mparith1.c:225
#4 0x0000000000420c90 in mppow10flt (a=0x7fffffffd7d0, p=-1) at
/usr/local/google/src/go/src/cmd/gc/mparith1.c:225
#5 0x0000000000420c90 in mppow10flt (a=0x7fffffffd7d0, p=-1) at
/usr/local/google/src/go/src/cmd/gc/mparith1.c:225
#6 0x0000000000420c90 in mppow10flt (a=0x7fffffffd7d0, p=-1) at
/usr/local/google/src/go/src/cmd/gc/mparith1.c:225
#7 0x0000000000420c90 in mppow10flt (a=0x7fffffffd7d0, p=-1) at
/usr/local/google/src/go/src/cmd/gc/mparith1.c:225
#8 0x0000000000420c90 in mppow10flt (a=0x7fffffffd7d0, p=-1) at
/usr/local/google/src/go/src/cmd/gc/mparith1.c:225
#9 0x0000000000420c90 in mppow10flt (a=0x7fffffffd7d0, p=-1) at
/usr/local/google/src/go/src/cmd/gc/mparith1.c:225
#10 0x0000000000420c90 in mppow10flt (a=0x7fffffffd7d0, p=-1) at
/usr/local/google/src/go/src/cmd/gc/mparith1.c:225
#11 0x0000000000420c90 in mppow10flt (a=0x7fffffffd7d0, p=-1) at
/usr/local/google/src/go/src/cmd/gc/mparith1.c:225
#12 0x0000000000420c90 in mppow10flt (a=0x7fffffffd7d0, p=-1) at
/usr/local/google/src/go/src/cmd/gc/mparith1.c:225
#13 0x0000000000420c90 in mppow10flt (a=0x7fffffffd7d0, p=-1) at
/usr/local/google/src/go/src/cmd/gc/mparith1.c:225
etc.. etc..
by robert.swiecki:
Attachments:
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