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| author | Ian Lance Taylor <ian@gcc.gnu.org> | 2011-02-10 18:21:58 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2011-02-10 18:21:58 +0000 |
| commit | 7b8ec21790fa899f8729b8901380129565405dcd (patch) | |
| tree | 23afb9500e147fde2f5e284cb7dda07627d8feca /gcc/go | |
| parent | a3fa23e44b9bb4bbcd68bd8c960c00d53afb7c23 (diff) | |
| download | gcc-7b8ec21790fa899f8729b8901380129565405dcd.zip gcc-7b8ec21790fa899f8729b8901380129565405dcd.tar.gz gcc-7b8ec21790fa899f8729b8901380129565405dcd.tar.bz2 | |
Don't crash checking for unexported self-referential pointer field.
From-SVN: r170017
Diffstat (limited to 'gcc/go')
| -rw-r--r-- | gcc/go/gofrontend/types.cc | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/gcc/go/gofrontend/types.cc b/gcc/go/gofrontend/types.cc index aa331c2..86efc3b 100644 --- a/gcc/go/gofrontend/types.cc +++ b/gcc/go/gofrontend/types.cc @@ -8052,9 +8052,9 @@ Type::is_unexported_field_or_method(Gogo* gogo, const Type* type, const std::string& name, std::vector<const Named_type*>* seen) { - type = type->deref(); - const Named_type* nt = type->named_type(); + if (nt == NULL) + nt = type->deref()->named_type(); if (nt != NULL) { if (nt->is_unexported_local_method(gogo, name)) @@ -8072,6 +8072,8 @@ Type::is_unexported_field_or_method(Gogo* gogo, const Type* type, } } + type = type->deref(); + const Interface_type* it = type->interface_type(); if (it != NULL && it->is_unexported_method(gogo, name)) return true; @@ -8095,11 +8097,17 @@ Type::is_unexported_field_or_method(Gogo* gogo, const Type* type, ++pf) { if (pf->is_anonymous() - && (!pf->type()->deref()->is_error_type() - && !pf->type()->deref()->is_undefined())) + && !pf->type()->deref()->is_error_type() + && !pf->type()->deref()->is_undefined()) { - Named_type* subtype = pf->type()->deref()->named_type(); - gcc_assert(subtype != NULL); + Named_type* subtype = pf->type()->named_type(); + if (subtype == NULL) + subtype = pf->type()->deref()->named_type(); + if (subtype == NULL) + { + // This is an error, but it will be diagnosed elsewhere. + continue; + } if (Type::is_unexported_field_or_method(gogo, subtype, name, seen)) { if (nt != NULL) |