[Bug fortran/51578] [4.3/4.4/4.5/4.6/4.7 Regression] Import of same symbol via different modules and renaming

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51578
Bug 51578 depends on bug 51788, which changed state.

Bug 51788 Summary: Unstable gfc_verify_binding_labels check for a binding label 
which collides with a global entity
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51788

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