Fix for issue 3845 -- null pointer deref in Cpp target#3952

Closed

kaby76 wants to merge 2 commits intoantlr:devfrom

kaby76:issue-3845

Commits on Nov 5, 2022

Fix for https://github.com/antlr/grammars-v4/issues/2909 https://github.com/antlr/antlr4/issues/3845 -- you cannot dereference a null pointer.
kaby76
committed

Commits on Nov 6, 2022

Simplify.
kaby76
committed