[Bug libfortran/51119] MATMUL slow for large matrices

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51119
Bug 51119 depends on bug 66189, which changed state.

Bug 66189 Summary: Block loops for inline matmul
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66189

           What    |Removed                     |Added
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             Status|WAITING                     |RESOLVED
         Resolution|---                         |WONTFIX