PR27221, 058430b warnings while assembling the Linux kernel

	PR 27221
	* dwarf2dbg.c (dwarf2_gen_line_info_1): Don't warn about ignored
	line number info when gas is generating it.
	* testsuite/gas/elf/dwarf2-20.d: Adjust to not expect warnings.
	* testsuite/gas/m68hc11/indexed12.d: Likewise.
	* testsuite/gas/elf/elf.exp: Don't run warn-2.
	* gas/testsuite/gas/elf/warn-2.s: Delete.

(cherry picked from commit be07043)

Author: amodra

gas/ChangeLog

@@ -1,3 +1,13 @@
+2021-01-21  Alan Modra  <amodra@gmail.com>
+
+	PR 27221
+	* dwarf2dbg.c (dwarf2_gen_line_info_1): Don't warn about ignored
+	line number info when gas is generating it.
+	* testsuite/gas/elf/dwarf2-20.d: Adjust to not expect warnings.
+	* testsuite/gas/m68hc11/indexed12.d: Likewise.
+	* testsuite/gas/elf/elf.exp: Don't run warn-2.
+	* gas/testsuite/gas/elf/warn-2.s: Delete.
+
 2021-01-21  Alan Modra  <amodra@gmail.com>
 
 	PR 27218

gas/dwarf2dbg.c

@@ -514,8 +514,9 @@ dwarf2_gen_line_info_1 (symbolS *label, struct dwarf2_line_info *loc)
   if ((now_seg->flags & need_flags) != need_flags)
     {
       /* FIXME: Add code to suppress multiple warnings ?  */
-      as_warn ("dwarf line number information for %s ignored",
-	       segment_name (now_seg));
+      if (debug_type != DEBUG_DWARF2)
+	as_warn ("dwarf line number information for %s ignored",
+		 segment_name (now_seg));
       return;
     }
 

gas/testsuite/gas/elf/dwarf2-20.d

@@ -5,10 +5,6 @@
 #xfail: mn102*-*
 # score-elf, tic6x-elf and xtensa-elf need special handling to support .nop 16
 #xfail: score-* tic6x-* xtensa-*
-#warning: .* \.alloc0 ignored
-#warning: .* \.alloc1 ignored
-#warning: .* \.nonalloc ignored
-#warning: .* \.nonallocexec ignored
 
 Contents of the .debug_aranges section:
 

gas/testsuite/gas/elf/elf.exp

@@ -328,9 +328,4 @@ if { [is_elf_format] } then {
 
     run_dump_test "bignums"
     run_dump_test "section-symbol-redef"
-    
-    load_lib gas-dg.exp
-    dg-init
-    dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/err-*.s $srcdir/$subdir/warn-*.s]] "" ""
-    dg-finish
 }

gas/testsuite/gas/elf/warn-2.s

@@ -2,10 +2,6 @@
 #as: -m68hc12 -gdwarf2
 #name: 68HC12 indexed addressing mode with 5, 9 and 16-bit offsets (indexed12)
 #source: indexed12.s
-#warning: .* line number information for \.data ignored
-#warning: .* line number information for \.data ignored
-#warning: .* line number information for \.data ignored
-#warning: .* line number information for \.data ignored
 
 .*: +file format elf32\-m68hc12