Peter Klausler 619b5bfc8d [flang] Improve error recovery for bad/missing construct END statements ...

When a multi-statement construct should end with a particular END statement
like "END SELECT", and that construct's END statement is missing or
unrecognizable, the error recovery productions should not misinterpret
a program unit END statement that follows and consume it as a misspelled
construct END statement. Doing so leads to cascading errors or a failed parse.

Differential Revision: https://reviews.llvm.org/D136896

2022-10-29 12:45:29 -07:00

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