gcc/cp/decl.c

527    to record its declarations and subblocks for symbol table output.
545   tree subblocks;
560   subblocks = functionbody >= 0 ? current_binding_level->blocks : 0;
598       BLOCK_SUBBLOCKS (block) = subblocks;
603     for (link = subblocks; link; link = TREE_CHAIN (link))
784      (since they cannot be recorded as subblocks in that level)
785      must be carried forward so they will later become subblocks
787   else if (subblocks)
789       = chainon (current_binding_level->blocks, subblocks);
804 /* Insert BLOCK at the end of the list of subblocks of the