diff options
Diffstat (limited to 'gcc/tree.c')
| -rw-r--r-- | gcc/tree.c | 10 |
1 files changed, 8 insertions, 2 deletions
@@ -5772,10 +5772,16 @@ free_lang_data_in_decl (tree decl, struct free_lang_data_d *fld) not do well with TREE_CHAIN pointers linking them. Also do not drop containing types for virtual methods and tables because - these are needed by devirtualization. */ + these are needed by devirtualization. + C++ destructors are special because C++ frontends sometimes produces + virtual destructor as an alias of non-virtual destructor. In + devirutalization code we always walk through aliases and we need + context to be preserved too. See PR89335 */ if (TREE_CODE (decl) != FIELD_DECL && ((TREE_CODE (decl) != VAR_DECL && TREE_CODE (decl) != FUNCTION_DECL) - || !DECL_VIRTUAL_P (decl))) + || (!DECL_VIRTUAL_P (decl) + && (TREE_CODE (decl) != FUNCTION_DECL + || !DECL_CXX_DESTRUCTOR_P (decl))))) DECL_CONTEXT (decl) = fld_decl_context (DECL_CONTEXT (decl)); } |