[Bug sanitizer/59136] [4.9 Regression] llvm-symbolizer shouldn't be started always

[samsonov at google dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59136

--- Comment #13 from Alexey Samsonov <samsonov at google dot com> ---
I don't think fork() issue will be relevant here, at least for the minimalistic
TSan test cases. Let's wait till we have libbacktrace symbolizer.