[dev.ssa] cmd/compile: provide stack trace for caught panics
[dev.ssa] cmd/compile: provide stack trace for caught panics

Change-Id: I9cbb6d53a8c2302222b13d2f33b081b704208b8a
Reviewed-on: https://go-review.googlesource.com/12932
Reviewed-by: Keith Randall <8c99c3a9284e493be632950b84cd789d08ed3e9d@golang.org>
Reviewed-by: Todd Neal <2c763d726a8c2f6afda9be7e0e56a2caa6bb5e6b@tneal.org>

suncycheng/go,nawawi/go,4ad/go,linux-on-ibm-z/go,4ad/go,linux-on-ibm-z/go,mwhudson/go,binarycrusader/go,CAFxX/go,Cofyc/go,miolini/go,suncycheng/go,linux-on-ibm-z/go,cyberroadie/go,josharian/go,goodlang/good,Samurais/go,CAFxX/go,ganboing/go-esx,binarycrusader/go,binarycrusader/go,nawawi/go,ImJasonH/go,polyverse-security/go,vsekhar/elastic-go,vanloswang/go,ImJasonH/go,cloudflare/go,vsekhar/elastic-go,goodlang/good,nawawi/go,momchil-velikov/go,Cofyc/go,nawawi/go,suncycheng/go,miolini/go,theif519/go,akutz/go,akutz/go,cloudflare/go,codestation/go,akutz/go,suncycheng/go,goodlang/good,momchil-velikov/go,suncycheng/go,miolini/go,vsekhar/elastic-go,Cofyc/go,golang/go,cyberroadie/go,miolini/go,vanloswang/go,akutz/go,Samurais/go,golang/go,suncycheng/go,ganboing/go-esx,goodlang/good,cyberroadie/go,ImJasonH/go,Cofyc/go,mwhudson/go,CAFxX/go,derekmarcotte/go,polyverse-security/go,goodlang/good,mwhudson/go,ImJasonH/go,Cofyc/go,linux-on-ibm-z/go,ImJasonH/go,akutz/go,momchil-velikov/go,theif519/go,vanloswang/go,josharian/go,theif519/go,4ad/go,polyverse-security/go,CAFxX/go,momchil-velikov/go,4ad/go,vanloswang/go,miolini/go,nawawi/go,theif519/go,ganboing/go-esx,derekmarcotte/go,ImJasonH/go,binarycrusader/go,derekmarcotte/go,suncycheng/go,ganboing/go-esx,CAFxX/go,golang/go,codestation/go,polyverse-security/go,ImJasonH/go,cloudflare/go,mwhudson/go,ImJasonH/go,miolini/go,CAFxX/go,Samurais/go,cyberroadie/go,akutz/go,ganboing/go-esx,codestation/go,akutz/go,vanloswang/go,golang/go,goodlang/good,momchil-velikov/go,cyberroadie/go,4ad/go,binarycrusader/go,binarycrusader/go,Cofyc/go,josharian/go,CAFxX/go,golang/go,momchil-velikov/go,Cofyc/go,theif519/go,mwhudson/go,cloudflare/go,Samurais/go,vsekhar/elastic-go,derekmarcotte/go,derekmarcotte/go,christopher-henderson/Go,theif519/go,codestation/go,linux-on-ibm-z/go,josharian/go,nawawi/go,binarycrusader/go,golang/go,ganboing/go-esx,codestation/go,miolini/go,4ad/go,mwhudson/go,momchil-velikov/go,cloudflare/go,polyverse-security/go,Samurais/go,josharian/go,ganboing/go-esx,polyverse-security/go,linux-on-ibm-z/go,mwhudson/go,codestation/go,4ad/go,derekmarcotte/go,akutz/go,vsekhar/elastic-go,golang/go,nawawi/go,vanloswang/go,miolini/go,derekmarcotte/go,goodlang/good,polyverse-security/go,nawawi/go,mwhudson/go,goodlang/good,theif519/go,binarycrusader/go,ganboing/go-esx,Samurais/go,cyberroadie/go,vanloswang/go,cyberroadie/go,momchil-velikov/go,Samurais/go,polyverse-security/go,cyberroadie/go,Samurais/go,josharian/go,linux-on-ibm-z/go,vsekhar/elastic-go,codestation/go,cloudflare/go,CAFxX/go,cloudflare/go,golang/go,Cofyc/go,derekmarcotte/go,suncycheng/go,josharian/go,theif519/go,josharian/go,codestation/go,vanloswang/go,linux-on-ibm-z/go,vsekhar/elastic-go,4ad/go,vsekhar/elastic-go,cloudflare/go