Author: ian
Date: Mon Mar 9 23:40:58 2015
New Revision: 221291
URL: https://gcc.gnu.org/viewcvs?rev=221291&root=gcc&view=rev
Log:
PR go/65349
runtime: Don't call malloc from __go_file_line callback.
When crashing, we call runtime_printcreatedby which calls
__go_file_line which used to call the Go malloc. If we are
crashing due to a signal due to heap corruption of some sort,
the GO malloc lock might already be held, leading to a crash
within a crash. Avoid that by assuming that the libbacktrace
strings will stick around, as we already do in go-callers.c.
Modified:
trunk/libgo/runtime/go-caller.c
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https://bugs.launchpad.net/bugs/1429608
Title:
go tool crashes, can't compile go code on 32bit linux systems
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