067e45a6f3
Avoid NULL pointer dereferences during error recovery.
gcc/fortran/ChangeLog:
PR fortran/95501
PR fortran/95502
* expr.c (gfc_check_pointer_assign): Avoid NULL pointer
dereference.
* match.c (gfc_match_pointer_assignment): Likewise.
* parse.c (gfc_check_do_variable): Avoid comparison with NULL
symtree.
gcc/testsuite/ChangeLog:
PR fortran/95501
PR fortran/95502
* gfortran.dg/pr95502.f90: New test.
(cherry picked from commit
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