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| author | Harald Anlauf <anlauf@gmx.de> | 2021-12-27 23:06:18 +0100 |
|---|---|---|
| committer | Harald Anlauf <anlauf@gmx.de> | 2021-12-29 18:27:39 +0100 |
| commit | d8f6c48ccb85ecc0d97a84c32b7a1b8f43c64fe4 (patch) | |
| tree | dea966826379a1cb42a526f2273eb0d30856e8e1 /gcc/fortran/primary.c | |
| parent | ad964f7eaef9c03ce68a01cfdd7fde9d56524868 (diff) | |
| download | gcc-d8f6c48ccb85ecc0d97a84c32b7a1b8f43c64fe4.zip gcc-d8f6c48ccb85ecc0d97a84c32b7a1b8f43c64fe4.tar.gz gcc-d8f6c48ccb85ecc0d97a84c32b7a1b8f43c64fe4.tar.bz2 | |
Fortran: avoid several NULL pointer dereferences during error recovery
gcc/fortran/ChangeLog:
PR fortran/102332
* expr.c (gfc_get_variable_expr): Avoid NULL pointer dereferences
during handling of errors with invalid uses of CLASS variables.
* match.c (select_type_set_tmp): Likewise.
* primary.c (gfc_match_varspec): Likewise.
* resolve.c (resolve_variable): Likewise.
(resolve_select_type): Likewise.
gcc/testsuite/ChangeLog:
PR fortran/102332
* gfortran.dg/pr102332.f90: New test.
Diffstat (limited to 'gcc/fortran/primary.c')
| -rw-r--r-- | gcc/fortran/primary.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/fortran/primary.c b/gcc/fortran/primary.c index d873264..1f63028 100644 --- a/gcc/fortran/primary.c +++ b/gcc/fortran/primary.c @@ -2151,6 +2151,7 @@ gfc_match_varspec (gfc_expr *primary, int equiv_flag, bool sub_flag, && !(gfc_matching_procptr_assignment && sym->attr.flavor == FL_PROCEDURE)) || (sym->ts.type == BT_CLASS && sym->attr.class_ok + && sym->ts.u.derived && CLASS_DATA (sym) && (CLASS_DATA (sym)->attr.dimension || CLASS_DATA (sym)->attr.codimension))) { |