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| author | Harald Anlauf <anlauf@gmx.de> | 2020-07-10 21:00:13 +0200 |
|---|---|---|
| committer | Harald Anlauf <anlauf@gmx.de> | 2020-07-10 21:00:13 +0200 |
| commit | 8a0b69f0b089c05d233b8e1a941825b1ceac93bd (patch) | |
| tree | 3e9ab99378053212e91fbd4877d2809ee3cd2b9a /gcc/fortran/resolve.c | |
| parent | 2b6d99468d4d988fd5f5ea3e9be41a3dc95a1291 (diff) | |
| download | gcc-8a0b69f0b089c05d233b8e1a941825b1ceac93bd.zip gcc-8a0b69f0b089c05d233b8e1a941825b1ceac93bd.tar.gz gcc-8a0b69f0b089c05d233b8e1a941825b1ceac93bd.tar.bz2 | |
PR fortran/96086 - ICE in gfc_match_select_rank, at fortran/match.c:6645
Handle NULL pointer dereference on SELECT RANK with an invalid
assumed-rank array declaration.
gcc/fortran/
PR fortran/96086
* match.c (gfc_match_select_rank): Catch NULL pointer
dereference.
* resolve.c (resolve_assoc_var): Catch NULL pointer dereference
that may occur after an illegal declaration.
Diffstat (limited to 'gcc/fortran/resolve.c')
| -rw-r--r-- | gcc/fortran/resolve.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c index 6bc1c46..d7e6acd 100644 --- a/gcc/fortran/resolve.c +++ b/gcc/fortran/resolve.c @@ -9012,7 +9012,9 @@ resolve_assoc_var (gfc_symbol* sym, bool resolve_target) if (as->corank != 0) sym->attr.codimension = 1; } - else if (sym->ts.type == BT_CLASS && (!CLASS_DATA (sym)->as || sym->assoc->rankguessed)) + else if (sym->ts.type == BT_CLASS + && CLASS_DATA (sym) + && (!CLASS_DATA (sym)->as || sym->assoc->rankguessed)) { if (!CLASS_DATA (sym)->as) CLASS_DATA (sym)->as = gfc_get_array_spec (); |