Fix gdb build with -std=gnu++11

[deliverable/binutils-gdb.git] / gdb / dwarf2read.c

diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index 9d9bc9948aa3f948002ca2ef47f897a9172da581..4cf9fcfa2189c5ecbe373a02fc2c37bedc4e400f 100644 (file)
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -212,7 +212,7 @@ struct mapped_index final : public mapped_index_base
   bool symbol_name_slot_invalid (offset_type idx) const override
   {
     const auto &bucket = this->symbol_table[idx];
-    return bucket.name == 0 && bucket.vec;
+    return bucket.name == 0 && bucket.vec == 0;
   }
 
   /* Convenience method to get at the name of the symbol at IDX in the
@@ -9018,11 +9018,15 @@ add_partial_symbol (struct partial_die_info *pdi, struct dwarf2_cu *cu)
                           0, cu->language, objfile);
       break;
     case DW_TAG_module:
-      add_psymbol_to_list (actual_name, strlen (actual_name),
-                          built_actual_name != NULL,
-                          MODULE_DOMAIN, LOC_TYPEDEF, -1,
-                          psymbol_placement::GLOBAL,
-                          0, cu->language, objfile);
+      /* With Fortran 77 there might be a "BLOCK DATA" module
+         available without any name.  If so, we skip the module as it
+         doesn't bring any value.  */
+      if (actual_name != nullptr)
+       add_psymbol_to_list (actual_name, strlen (actual_name),
+                            built_actual_name != NULL,
+                            MODULE_DOMAIN, LOC_TYPEDEF, -1,
+                            psymbol_placement::GLOBAL,
+                            0, cu->language, objfile);
       break;
     case DW_TAG_class_type:
     case DW_TAG_interface_type:
@@ -16955,9 +16959,6 @@ read_module_type (struct die_info *die, struct dwarf2_cu *cu)
   struct type *type;
 
   module_name = dwarf2_name (die, cu);
-  if (!module_name)
-    complaint (_("DW_TAG_module has no name, offset %s"),
-               sect_offset_str (die->sect_off));
   type = init_type (objfile, TYPE_CODE_MODULE, 0, module_name);
 
   return set_die_type (die, type, cu);