[Bug tree-optimization/90316] [8/9/10 Regression] large compile time increase in opt / alias stmt walking for Go example

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90316

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                URL|                            |https://gcc.gnu.org/ml/gcc-
                   |                            |patches/2019-05/msg00117.ht
                   |                            |ml

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Proposed patch.  -O0 optimized compiler compiles the testcase in 40s for me
now.

Can you test it on the original source?