re PR debug/88644 (Unexpected pub type info eliminated after r246973 (causes…

re PR debug/88644 (Unexpected pub type info eliminated after r246973 (causes pubtypes-*.c to regress).)

	PR debug/88644
	* dwarf2out.c (modified_type_die): If type is equal to sizetype,
	change it to qualified_type.

	* gcc.dg/debug/dwarf2/pr88644.c: New test.
	* gcc.dg/debug/dwarf2/pr80263.c: Remove darwin hack.

2019-01-03  Iain Sandoe  <iain@sandoe.co.uk>

	* gcc.dg/pubtypes-2.c: Adjust expected pubtypes length.
	* gcc.dg/pubtypes-3.c: Likewise.
	* gcc.dg/pubtypes-4.c: Likewise.

From-SVN: r267550

gcc/ChangeLog

+2019-01-03  Jakub Jelinek  <jakub@redhat.com>
+
+	PR debug/88644
+	* dwarf2out.c (modified_type_die): If type is equal to sizetype,
+	change it to qualified_type.
+
 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
 
 	* ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...

gcc/dwarf2out.c

@@ -13152,6 +13152,8 @@ modified_type_die (tree type, int cv_quals, bool reverse,
 	       && TYPE_PRECISION (sizetype) == TYPE_PRECISION (size_type_node)
 	       && TYPE_UNSIGNED (sizetype) == TYPE_UNSIGNED (size_type_node))
 	qualified_type = size_type_node;
+      if (type == sizetype)
+	type = qualified_type;
     }
 
   /* If we do, then we can just use its DIE, if it exists.  */

gcc/testsuite/ChangeLog

 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
 
+	PR debug/88644
+	* gcc.dg/debug/dwarf2/pr88644.c: New test.
+	* gcc.dg/debug/dwarf2/pr80263.c: Remove darwin hack.
+
+2019-01-03  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* gcc.dg/pubtypes-2.c: Adjust expected pubtypes length.
+	* gcc.dg/pubtypes-3.c: Likewise.
+	* gcc.dg/pubtypes-4.c: Likewise.
+
+2019-01-03  Jakub Jelinek  <jakub@redhat.com>
+
 	PR c++/88636
 	* g++.target/i386/pr88636.C: New test.
 

gcc/testsuite/gcc.dg/debug/dwarf2/pr80263.c

 /* PR debug/80263 */
 /* { dg-do compile } */
 /* { dg-options "-g -dA" } */
-/* Darwin emits pubnames/types by default - suppress this for the test. */
-/* { dg-additional-options "-gno-pubnames" { target *-*-darwin* } }  */
 
 char array[1];
 

gcc/testsuite/gcc.dg/debug/dwarf2/pr88644.c

+/* PR debug/88644 */
+/* { dg-do compile } */
+/* { dg-options "-gdwarf-4 -dA -gpubnames" } */
+
+char array[1];
+
+/* { dg-final { scan-assembler-not {\msizetype} } } */

gcc/testsuite/gcc.dg/pubtypes-2.c

@@ -2,7 +2,7 @@
 /* { dg-options "-O0 -gdwarf-2 -dA" } */
 /* { dg-skip-if "Unmatchable assembly" { mmix-*-* } } */
 /* { dg-final { scan-assembler "__debug_pubtypes" } } */
-/* { dg-final { scan-assembler "long+\[ \t\]+0x13b+\[ \t\]+\[#;]+\[ \t\]+Pub Info Length" } } */
+/* { dg-final { scan-assembler "long+\[ \t\]+0x12e+\[ \t\]+\[#;]+\[ \t\]+Pub Info Length" } } */
 /* { dg-final { scan-assembler "used_struct\\\\0\"+\[ \t\]+\[#;]+\[ \t\]+external name" } } */
 /* { dg-final { scan-assembler-not "unused_struct\\\\0\"+\[ \t\]+\[#;]+\[ \t\]+external name" } } */
 

gcc/testsuite/gcc.dg/pubtypes-3.c

@@ -2,7 +2,7 @@
 /* { dg-options "-O0 -gdwarf-2 -dA" } */
 /* { dg-skip-if "Unmatchable assembly" { mmix-*-* } } */
 /* { dg-final { scan-assembler "__debug_pubtypes" } } */
-/* { dg-final { scan-assembler "long+\[ \t\]+0x13b+\[ \t\]+\[#;]+\[ \t\]+Pub Info Length" } } */
+/* { dg-final { scan-assembler "long+\[ \t\]+0x12e+\[ \t\]+\[#;]+\[ \t\]+Pub Info Length" } } */
 /* { dg-final { scan-assembler "used_struct\\\\0\"+\[ \t\]+\[#;]+\[ \t\]+external name" } } */
 /* { dg-final { scan-assembler-not "unused_struct\\\\0\"+\[ \t\]+\[#;]+\[ \t\]+external name" } } */
 /* { dg-final { scan-assembler-not "\"list_name_type\\\\0\"+\[ \t\]+\[#;]+\[ \t\]+external name" } } */

gcc/testsuite/gcc.dg/pubtypes-4.c

@@ -2,7 +2,7 @@
 /* { dg-options "-O0 -gdwarf-2 -dA" } */
 /* { dg-skip-if "Unmatchable assembly" { mmix-*-* } } */
 /* { dg-final { scan-assembler "__debug_pubtypes" } } */
-/* { dg-final { scan-assembler "long+\[ \t\]+0x172+\[ \t\]+\[#;]+\[ \t\]+Pub Info Length" } } */
+/* { dg-final { scan-assembler "long+\[ \t\]+0x165+\[ \t\]+\[#;]+\[ \t\]+Pub Info Length" } } */
 /* { dg-final { scan-assembler "used_struct\\\\0\"+\[ \t\]+\[#;]+\[ \t\]+external name" } } */
 /* { dg-final { scan-assembler-not "unused_struct\\\\0\"+\[ \t\]+\[#;]+\[ \t\]+external name" } } */
 /* { dg-final { scan-assembler "\"list_name_type\\\\0\"+\[ \t\]+\[#;]+\[ \t\]+external name" } } */