re PR debug/86457 (ICE in add_dwarf_attr, at dwarf2out.c:4405 since r251448)

2018-07-11  Richard Biener  <rguenther@suse.de>

	PR debug/86457
	* dwarf2out.c (init_sections_and_labels): Use
	output_asm_line_debug_info consistently.
	(dwarf2out_early_finish): Likewise.
	(dwarf2out_finish): Remove DW_AT_stmt_list from early generated
	type units.

From-SVN: r262551

gcc/ChangeLog

-2018-07-10  Richard Biener  <rguenther@suse.de>
+2018-07-11  Richard Biener  <rguenther@suse.de>
+
+	PR debug/86457
+	* dwarf2out.c (init_sections_and_labels): Use
+	output_asm_line_debug_info consistently.
+	(dwarf2out_early_finish): Likewise.
+	(dwarf2out_finish): Remove DW_AT_stmt_list from early generated
+	type units.
+
+2018-07-11  Richard Biener  <rguenther@suse.de>
 
 	* tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely_1):
 	Rework father_bb setting in a way to avoid propagating constants

gcc/dwarf2out.c

@@ -28483,7 +28483,7 @@ init_sections_and_labels (bool early_lto_debug)
       debug_str_section = get_section (DEBUG_LTO_STR_SECTION,
 				       DEBUG_STR_SECTION_FLAGS
 				       | SECTION_EXCLUDE, NULL);
-      if (!dwarf_split_debug_info && !dwarf2out_as_loc_support)
+      if (!dwarf_split_debug_info && !output_asm_line_debug_info ())
 	debug_line_str_section
 	  = get_section (DEBUG_LTO_LINE_STR_SECTION,
 			 DEBUG_STR_SECTION_FLAGS | SECTION_EXCLUDE, NULL);
@@ -31125,9 +31125,9 @@ dwarf2out_finish (const char *)
 	  if (*slot != HTAB_EMPTY_ENTRY)
 	    continue;
 
-	  /* Add a pointer to the line table for the main compilation unit
-	     so that the debugger can make sense of DW_AT_decl_file
-	     attributes.  */
+	  /* Remove the pointer to the line table.  */
+	  remove_AT (ctnode->root_die, DW_AT_stmt_list);
+
 	  if (debug_info_level >= DINFO_LEVEL_TERSE)
 	    reset_dies (ctnode->root_die);
 
@@ -31819,7 +31819,7 @@ dwarf2out_early_finish (const char *filename)
 
   /* When emitting DWARF5 .debug_line_str, move DW_AT_name and
      DW_AT_comp_dir into .debug_line_str section.  */
-  if (!dwarf2out_as_loc_support
+  if (!output_asm_line_debug_info ()
       && dwarf_version >= 5
       && DWARF5_USE_DEBUG_LINE_STR)
     {