gcc/ipa-struct-reorg-bugfix.patch

diff -Nurp a/gcc/fold-const.c b/gcc/fold-const.c
--- a/gcc/fold-const.c	2020-09-17 02:26:36.900000000 -0400
+++ b/gcc/fold-const.c	2020-09-17 02:27:57.368000000 -0400
@@ -7165,15 +7165,9 @@ fold_plusminus_mult_expr (location_t loc
 	     increased the number of multiplications necessary.  */
 	  && TREE_CODE (arg10) != INTEGER_CST)
         {
-	  HOST_WIDE_INT tmp1 = int01 / int11;
-	  HOST_WIDE_INT t = exact_log2 (absu_hwi (int11));
-	  HOST_WIDE_INT size = tree_to_shwi (TYPE_SIZE_UNIT (TREE_TYPE (arg00))) * BITS_PER_UNIT;
-	  HOST_WIDE_INT sign_bit = HOST_WIDE_INT_1U << (size - t - 1);
-	  if (tmp1 & sign_bit)
-	    tmp1 |= HOST_WIDE_INT_M1U << (size - t);
-	  tree tmp2 = build_int_cst (TREE_TYPE (arg00), tmp1);
 	  alt0 = fold_build2_loc (loc, MULT_EXPR, TREE_TYPE (arg00), arg00,
-				 tmp2);
+			      build_int_cst (TREE_TYPE (arg00),
+					     int01 / int11));
 	  alt1 = arg10;
 	  same = maybe_same;
 	  if (swap)
diff -Nurp a/gcc/ipa-struct-reorg/ipa-struct-reorg.c b/gcc/ipa-struct-reorg/ipa-struct-reorg.c
--- a/gcc/ipa-struct-reorg/ipa-struct-reorg.c	2020-09-17 02:26:36.900000000 -0400
+++ b/gcc/ipa-struct-reorg/ipa-struct-reorg.c	2020-09-17 02:34:04.040000000 -0400
@@ -112,6 +112,29 @@ is_va_list_type (tree type)
   return TYPE_MAIN_VARIANT (type) == TYPE_MAIN_VARIANT (va_list_type_node);
 }
 
+static const char *
+get_type_name (tree type)
+{
+  const char *tname = NULL;
+
+  if (type == NULL)
+    {
+      return NULL;
+    }
+
+  if (TYPE_NAME (type) != NULL)
+    {
+      if (TREE_CODE (TYPE_NAME (type)) == IDENTIFIER_NODE)
+	{
+	  tname = IDENTIFIER_POINTER (TYPE_NAME (type));
+	}
+      else if (DECL_NAME (TYPE_NAME (type)) != NULL)
+	{
+	  tname = IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (type)));
+	}
+    }
+  return tname;
+}
 
 /* Return the inner most type for arrays and pointers of TYPE.  */
 
@@ -463,10 +486,10 @@ srtype::analyze (void)
   if (fields.length () == 2)
     fields[1]->clusternum = 1;
 
-  /* REMOVEME: FIXME: this is here for testing more testcases. */
+  /* Otherwise we do nothing.  */
   if (fields.length () >= 3)
     {
-      fields[1]->clusternum = 1;
+      return;
     }
 }
 
@@ -875,6 +898,7 @@ private:
   void analyze_types (void);
   void clear_visited (void);
   bool create_new_types (void);
+  void restore_field_type (void);
   void create_new_decls (void);
   srdecl *find_decl (tree);
   void create_new_functions (void);
@@ -1096,6 +1120,11 @@ ipa_struct_reorg::record_type (tree type
         {
 	  tree t = TREE_TYPE (field);
 	  process_union (t);
+	  if (TREE_CODE (inner_type (t)) == UNION_TYPE
+	      || TREE_CODE (inner_type (t)) == QUAL_UNION_TYPE)
+	    {
+	      type1->mark_escape (escape_union, NULL);
+	    }
 	  if (isvolatile_type (t))
 	    type1->mark_escape (escape_volatile, NULL);
 	  escape_type e = escape_type_volatile_array_or_ptrptr (t);
@@ -2818,6 +2847,49 @@ ipa_struct_reorg::analyze_types (void)
     }
 }
 
+/* When struct A has a struct B member, B's type info
+   is not stored in
+     TYPE_FIELDS (TREE_TYPE (TYPE_FIELDS (typeA)))
+   Try to restore B's type information.  */
+void
+ipa_struct_reorg::restore_field_type (void)
+{
+  for (unsigned i = 0; i < types.length (); i++)
+    {
+      for (unsigned j = 0; j < types[i]->fields.length (); j++)
+	{
+	  srfield *field = types[i]->fields[j];
+	  if (TREE_CODE (inner_type (field->fieldtype)) == RECORD_TYPE)
+	    {
+	      /* If field type has TYPE_FIELDS information,
+		 we do not need to do this.  */
+	      if (TYPE_FIELDS (field->type->type) != NULL)
+		{
+		  continue;
+		}
+	      for (unsigned k = 0; k < types.length (); k++)
+		{
+		  if (i == k)
+		    {
+		      continue;
+		    }
+		  const char *type1 = get_type_name (field->type->type);
+		  const char *type2 = get_type_name (types[k]->type);
+		  if (type1 == NULL || type2 == NULL)
+		    {
+		      continue;
+		    }
+		  if (type1 == type2
+		      && TYPE_FIELDS (types[k]->type))
+		    {
+		      field->type = types[k];
+		    }
+		}
+	    }
+	}
+    }
+}
+
 /* Create all new types we want to create. */
 
 bool
@@ -3669,7 +3741,7 @@ ipa_struct_reorg::rewrite_functions (voi
 {
   unsigned retval = 0;
 
-
+  restore_field_type ();
   /* Create new types, if we did not create any new types,
      then don't rewrite any accesses. */
   if (!create_new_types ())
diff -Nurp a/gcc/testsuite/gcc.c-torture/compile/20170404-1.c b/gcc/testsuite/gcc.c-torture/compile/20170404-1.c
--- a/gcc/testsuite/gcc.c-torture/compile/20170404-1.c	2020-09-17 02:26:36.904000000 -0400
+++ b/gcc/testsuite/gcc.c-torture/compile/20170404-1.c	1969-12-31 19:00:00.000000000 -0500
@@ -1,19 +0,0 @@
-struct a
-{
-  int t, t1;
-};
-
-static struct a *b;
-
-void *xmalloc(int);
-
-
-void f(void)
-{
-  b = xmalloc (sizeof(*b));
-}
-
-int g(void)
-{
- return b->t;
-}
diff -Nurp a/gcc/testsuite/gcc.c-torture/compile/nested-3.c b/gcc/testsuite/gcc.c-torture/compile/nested-3.c
--- a/gcc/testsuite/gcc.c-torture/compile/nested-3.c	2020-09-17 02:26:36.904000000 -0400
+++ b/gcc/testsuite/gcc.c-torture/compile/nested-3.c	2020-09-17 02:27:57.372000000 -0400
@@ -1,4 +1,3 @@
-/* This used to crash Struct reorg.  */
 struct a
 {
   int t;
diff -Nurp a/gcc/testsuite/gcc.c-torture/compile/struct-reorg-1.c b/gcc/testsuite/gcc.c-torture/compile/struct-reorg-1.c
--- a/gcc/testsuite/gcc.c-torture/compile/struct-reorg-1.c	2020-09-17 02:26:36.904000000 -0400
+++ b/gcc/testsuite/gcc.c-torture/compile/struct-reorg-1.c	1969-12-31 19:00:00.000000000 -0500
@@ -1,18 +0,0 @@
-#include <stdlib.h>
-typedef struct {
-   long laststart_offset;
-   unsigned regnum;
-} compile_stack_elt_t;
-typedef struct {
-   compile_stack_elt_t *stack;
-   unsigned size;
-} compile_stack_type;
-void f (const char *p, const char *pend, int c)
-{
-  compile_stack_type compile_stack;
-  while (p != pend)
-    if (c)
-      compile_stack.stack = realloc (compile_stack.stack,
-				     (compile_stack.size << 1)
-				       * sizeof (compile_stack_elt_t));
-}
diff -Nurp a/gcc/testsuite/gcc.dg/pr33136-4.c b/gcc/testsuite/gcc.dg/pr33136-4.c
--- a/gcc/testsuite/gcc.dg/pr33136-4.c	2020-09-17 02:26:36.904000000 -0400
+++ b/gcc/testsuite/gcc.dg/pr33136-4.c	1969-12-31 19:00:00.000000000 -0500
@@ -1,59 +0,0 @@
-/* PR tree-optimization/33136 */
-/* { dg-do run } */
-/* { dg-options "-O2" } */
-
-extern void abort (void);
-
-struct S
-{
-  int b;
-  int *c;
-};
-static int d, e;
-
-static struct S s;
-
-static int *
-__attribute__((noinline, const))
-foo (void)
-{
-  return &s.b;
-}
-
-int *
-__attribute__((noinline))
-bar (int **f)
-{
-  s.c = &d;
-  *f = &e;
-  /* As nothing ever takes the address of any int * field in struct S,
-     the write to *f can't alias with the s.c field.  */
-  return s.c;
-}
-
-int
-__attribute__((noinline))
-baz (int *x)
-{
-  s.b = 1;
-  *x = 4;
-  /* Function foo takes address of an int field in struct S,
-     so *x can alias with the s.b field (and it does in this testcase).  */
-  return s.b;
-}
-
-int
-__attribute__((noinline))
-t (void)
-{
-  int *f = (int *) 0;
-  return 10 * (bar (&f) != &d) + baz (foo ());
-}
-
-int
-main (void)
-{
-  if (t () != 4)
-    abort ();
-  return 0;
-}
diff -Nurp a/gcc/testsuite/gcc.dg/struct/struct_reorg-1.c b/gcc/testsuite/gcc.dg/struct/struct_reorg-1.c
--- a/gcc/testsuite/gcc.dg/struct/struct_reorg-1.c	1969-12-31 19:00:00.000000000 -0500
+++ b/gcc/testsuite/gcc.dg/struct/struct_reorg-1.c	2020-09-17 02:27:57.372000000 -0400
@@ -0,0 +1,24 @@
+// { dg-do compile }
+// { dg-options "-O3 -flto-partition=one -fipa-struct-reorg -fdump-ipa-all" }
+
+struct a
+{
+  int t, t1;
+};
+
+static struct a *b;
+
+void *xmalloc(int);
+
+
+void f(void)
+{
+  b = xmalloc (sizeof(*b));
+}
+
+int g(void)
+{
+  return b->t;
+}
+
+/* { dg-final { scan-ipa-dump "No structures to transform." "struct_reorg" } } */
diff -Nurp a/gcc/testsuite/gcc.dg/struct/struct_reorg-2.c b/gcc/testsuite/gcc.dg/struct/struct_reorg-2.c
--- a/gcc/testsuite/gcc.dg/struct/struct_reorg-2.c	1969-12-31 19:00:00.000000000 -0500
+++ b/gcc/testsuite/gcc.dg/struct/struct_reorg-2.c	2020-09-17 02:27:57.372000000 -0400
@@ -0,0 +1,29 @@
+// { dg-do run }
+
+#include <assert.h>
+
+struct a
+{
+  int t;
+  int t1;
+};
+
+__attribute__((noinline)) int f(int i, int j)
+{
+  struct a *t;
+  struct a t1 = {i, j};
+  t = &t1;
+  auto int g(void) __attribute__((noinline));
+  int g(void)
+  {
+    return t->t + t->t1;
+  }
+  return g();
+}
+
+int main()
+{
+  assert (f(1, 2) == 3);
+}
+
+/* { dg-final { scan-ipa-dump "Number of structures to transform is 2" "struct_reorg" } } */
diff -Nurp a/gcc/testsuite/gcc.dg/struct/struct_reorg-3.c b/gcc/testsuite/gcc.dg/struct/struct_reorg-3.c
--- a/gcc/testsuite/gcc.dg/struct/struct_reorg-3.c	1969-12-31 19:00:00.000000000 -0500
+++ b/gcc/testsuite/gcc.dg/struct/struct_reorg-3.c	2020-09-17 02:27:57.372000000 -0400
@@ -0,0 +1,23 @@
+// { dg-do compile }
+// { dg-options "-O3 -flto-partition=one -fipa-struct-reorg -fdump-ipa-all" }
+
+#include <stdlib.h>
+typedef struct {
+   long laststart_offset;
+   unsigned regnum;
+} compile_stack_elt_t;
+typedef struct {
+   compile_stack_elt_t *stack;
+   unsigned size;
+} compile_stack_type;
+void f (const char *p, const char *pend, int c)
+{
+  compile_stack_type compile_stack;
+  while (p != pend)
+    if (c)
+      compile_stack.stack = realloc (compile_stack.stack,
+				     (compile_stack.size << 1)
+				       * sizeof (compile_stack_elt_t));
+}
+
+/* { dg-final { scan-ipa-dump "Number of structures to transform is 1" "struct_reorg" } } */
diff -Nurp a/gcc/testsuite/gcc.dg/struct/struct_reorg-4.c b/gcc/testsuite/gcc.dg/struct/struct_reorg-4.c
--- a/gcc/testsuite/gcc.dg/struct/struct_reorg-4.c	1969-12-31 19:00:00.000000000 -0500
+++ b/gcc/testsuite/gcc.dg/struct/struct_reorg-4.c	2020-09-17 02:27:57.372000000 -0400
@@ -0,0 +1,59 @@
+/* { dg-do run } */
+
+extern void abort (void);
+
+struct S
+{
+  int b;
+  int *c;
+};
+static int d, e;
+
+static struct S s;
+
+static int *
+__attribute__((noinline, const))
+foo (void)
+{
+  return &s.b;
+}
+
+int *
+__attribute__((noinline))
+bar (int **f)
+{
+  s.c = &d;
+  *f = &e;
+  /* As nothing ever takes the address of any int * field in struct S,
+     the write to *f can't alias with the s.c field.  */
+  return s.c;
+}
+
+int
+__attribute__((noinline))
+baz (int *x)
+{
+  s.b = 1;
+  *x = 4;
+  /* Function foo takes address of an int field in struct S,
+     so *x can alias with the s.b field (and it does in this testcase).  */
+  return s.b;
+}
+
+int
+__attribute__((noinline))
+t (void)
+{
+  int *f = (int *) 0;
+  return 10 * (bar (&f) != &d) + baz (foo ());
+}
+
+int
+main (void)
+{
+  if (t () != 4)
+    abort ();
+  return 0;
+}
+
+/* { dg-final { scan-ipa-dump "No structures to transform." "struct_reorg" } } */
diff -Nurp a/gcc/testsuite/gcc.dg/struct/struct-reorg.exp b/gcc/testsuite/gcc.dg/struct/struct-reorg.exp
--- a/gcc/testsuite/gcc.dg/struct/struct-reorg.exp	2020-09-17 02:26:36.904000000 -0400
+++ b/gcc/testsuite/gcc.dg/struct/struct-reorg.exp	2020-09-17 02:27:57.372000000 -0400
@@ -1,5 +1,4 @@
-#   Copyright (C) 2007, 2008, 2009, 2010
-#   Free Software Foundation, Inc.
+#   Copyright (C) 1997-2019 Free Software Foundation, Inc.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -12,12 +11,9 @@
 # GNU General Public License for more details.
 # 
 # You should have received a copy of the GNU General Public License
-# along with this program; see the file COPYING3.  If not see
+# along with GCC; see the file COPYING3.  If not see
 # <http://www.gnu.org/licenses/>.
 
-# Test the functionality of programs compiled with profile-directed structure
-# rearrangement using -fprofile-generate followed by -fprofile-use.
-
 load_lib gcc-dg.exp
 load_lib target-supports.exp
 
@@ -26,62 +22,14 @@ dg-init
 torture-init
 
 set STRUCT_REORG_TORTURE_OPTIONS [list \
-        { -O1 } \
-        { -O1 -g } \
-        { -O2 } \
-        { -O2 -g } \
-        { -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions } \
-        { -O3 -g } \
-        { -Os } ]
-
+	{ -O3 } \
+	{ -Ofast } ]
 
-set-torture-options $STRUCT_REORG_TORTURE_OPTIONS {{}} $LTO_TORTURE_OPTIONS
+set-torture-options $STRUCT_REORG_TORTURE_OPTIONS {{}}
 
-gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/wo_prof_*.c]] "" "-fipa-struct-reorg -fdump-ipa-all -fwhole-program"
+gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.c]] \
+	"" "-fipa-struct-reorg -fdump-ipa-all -flto-partition=one -fwhole-program"
 
+# All done.
 torture-finish
-dg-final
-
-# Some targets don't support tree profiling.
-if { ![check_profiling_available ""] } {
-    return
-}
-
-# The procedures in profopt.exp need these parameters.
-set tool gcc
-set prof_ext "gcda"
-
-# Override the list defined in profopt.exp.
-set PROFOPT_OPTIONS [list {}]
-
-if $tracelevel then {
-    strace $tracelevel
-}
-
-# Load support procs.
-load_lib profopt.exp
-
-# These are globals used by profopt-execute.  The first is options
-# needed to generate profile data, the second is options to use the
-# profile data.
-set common "-O3 -fwhole-program"
-set profile_option [concat $common " -fprofile-generate"]
-set feedback_option [concat $common " -fprofile-use -fipa-struct-reorg -fdump-ipa-all"]
-
-foreach src [lsort [glob -nocomplain $srcdir/$subdir/w_prof_*.c]] {
-    # If we're only testing specific files and this isn't one of them, skip it.
-    if ![runtest_file_p $runtests $src] then {
-        continue
-    }
-    profopt-execute $src
-}
-
-set feedback_option [concat $feedback_option " --param struct-reorg-cold-struct-ratio=30"]
-
-foreach src [lsort [glob -nocomplain $srcdir/$subdir/w_ratio_*.c]] {
-    # If we're only testing specific files and this isn't one of them, skip it.
-    if ![runtest_file_p $runtests $src] then {
-        continue
-    }
-    profopt-execute $src
-}
+dg-finish
diff -Nurp a/gcc/testsuite/gcc.dg/struct/wo_prof_escape_str_init.c b/gcc/testsuite/gcc.dg/struct/wo_prof_escape_str_init.c
--- a/gcc/testsuite/gcc.dg/struct/wo_prof_escape_str_init.c	2020-09-17 02:26:36.904000000 -0400
+++ b/gcc/testsuite/gcc.dg/struct/wo_prof_escape_str_init.c	2020-09-17 02:27:57.372000000 -0400
@@ -28,4 +28,4 @@ main ()
 }
 
 /*--------------------------------------------------------------------------*/
-/* { dg-final { scan-ipa-dump "has escaped...Type is used in an array" "struct_reorg" } } */
+/* { dg-final { scan-ipa-dump "No structures to transform." "struct_reorg" } } */
diff -Nurp a/gcc/testsuite/gcc.dg/struct/wo_prof_mult_field_peeling.c b/gcc/testsuite/gcc.dg/struct/wo_prof_mult_field_peeling.c
--- a/gcc/testsuite/gcc.dg/struct/wo_prof_mult_field_peeling.c	2020-09-17 02:26:36.904000000 -0400
+++ b/gcc/testsuite/gcc.dg/struct/wo_prof_mult_field_peeling.c	2020-09-17 02:27:57.372000000 -0400
@@ -38,5 +38,5 @@ main ()
 }
 
 /*--------------------------------------------------------------------------*/
-/* The structure str_t is erroneously peeled into 4 structures instead of 2.  */
-/* { dg-final { scan-ipa-dump "the number of new types is 2" "struct_reorg" } } */
+/* Two more fields structure is not splitted.  */
+/* { dg-final { scan-ipa-dump "No structures to transform." "struct_reorg" } } */
diff -Nurp a/gcc/testsuite/gcc.dg/struct/w_prof_global_array.c b/gcc/testsuite/gcc.dg/struct/w_prof_global_array.c
--- a/gcc/testsuite/gcc.dg/struct/w_prof_global_array.c	2020-09-17 02:26:36.904000000 -0400
+++ b/gcc/testsuite/gcc.dg/struct/w_prof_global_array.c	2020-09-17 02:27:57.372000000 -0400
@@ -26,4 +26,4 @@ main ()
 }
 
 /*--------------------------------------------------------------------------*/
-/* { dg-final-use { scan-ipa-dump "Number of structures to transform is 1" "struct_reorg"  { xfail *-*-* } } } */
+/* { dg-final { scan-ipa-dump "Number of structures to transform is 1" "struct_reorg"  { xfail *-*-* } } } */
diff -Nurp a/gcc/testsuite/gcc.dg/struct/w_prof_global_var.c b/gcc/testsuite/gcc.dg/struct/w_prof_global_var.c
--- a/gcc/testsuite/gcc.dg/struct/w_prof_global_var.c	2020-09-17 02:26:36.908000000 -0400
+++ b/gcc/testsuite/gcc.dg/struct/w_prof_global_var.c	2020-09-17 02:27:57.372000000 -0400
@@ -39,4 +39,4 @@ main ()
 }
 
 /*--------------------------------------------------------------------------*/
-/* { dg-final-use { scan-ipa-dump "Number of structures to transform is 1" "struct_reorg" } } */
+/* { dg-final { scan-ipa-dump "Number of structures to transform is 1" "struct_reorg" } } */
diff -Nurp a/gcc/testsuite/gcc.dg/struct/w_prof_local_array.c b/gcc/testsuite/gcc.dg/struct/w_prof_local_array.c
--- a/gcc/testsuite/gcc.dg/struct/w_prof_local_array.c	2020-09-17 02:26:36.908000000 -0400
+++ b/gcc/testsuite/gcc.dg/struct/w_prof_local_array.c	2020-09-17 02:27:57.372000000 -0400
@@ -34,4 +34,4 @@ main ()
 }
 
 /*--------------------------------------------------------------------------*/
-/* { dg-final-use { scan-ipa-dump "Number of structures to transform is 1" "struct_reorg" { xfail *-*-* } } } */
+/* { dg-final { scan-ipa-dump "Number of structures to transform is 1" "struct_reorg" { xfail *-*-* } } } */
diff -Nurp a/gcc/testsuite/gcc.dg/struct/w_prof_local_var.c b/gcc/testsuite/gcc.dg/struct/w_prof_local_var.c
--- a/gcc/testsuite/gcc.dg/struct/w_prof_local_var.c	2020-09-17 02:26:36.908000000 -0400
+++ b/gcc/testsuite/gcc.dg/struct/w_prof_local_var.c	2020-09-17 02:27:57.372000000 -0400
@@ -37,4 +37,4 @@ main ()
 }
 
 /*--------------------------------------------------------------------------*/
-/* { dg-final-use { scan-ipa-dump "Number of structures to transform is 1" "struct_reorg" } } */
+/* { dg-final { scan-ipa-dump "Number of structures to transform is 1" "struct_reorg" } } */
diff -Nurp a/gcc/testsuite/gcc.dg/struct/w_prof_single_str_global.c b/gcc/testsuite/gcc.dg/struct/w_prof_single_str_global.c
--- a/gcc/testsuite/gcc.dg/struct/w_prof_single_str_global.c	2020-09-17 02:26:36.908000000 -0400
+++ b/gcc/testsuite/gcc.dg/struct/w_prof_single_str_global.c	2020-09-17 02:27:57.372000000 -0400
@@ -28,4 +28,4 @@ main ()
 }
 
 /*--------------------------------------------------------------------------*/
-/* { dg-final-use { scan-ipa-dump "Number of structures to transform is 1" "struct_reorg" } } */
+/* { dg-final { scan-ipa-dump "Number of structures to transform is 1" "struct_reorg" } } */
diff -Nurp a/gcc/testsuite/gcc.dg/struct/w_prof_two_strs.c b/gcc/testsuite/gcc.dg/struct/w_prof_two_strs.c
--- a/gcc/testsuite/gcc.dg/struct/w_prof_two_strs.c	2020-09-17 02:26:36.908000000 -0400
+++ b/gcc/testsuite/gcc.dg/struct/w_prof_two_strs.c	2020-09-17 02:27:57.372000000 -0400
@@ -61,4 +61,4 @@ main ()
 }
 
 /*--------------------------------------------------------------------------*/
-/* { dg-final-use { scan-ipa-dump "Number of structures to transform is 2" "struct_reorg" } } */
+/* { dg-final { scan-ipa-dump "Number of structures to transform is 2" "struct_reorg" } } */
diff -Nurp a/gcc/testsuite/gcc.dg/struct/w_ratio_cold_str.c b/gcc/testsuite/gcc.dg/struct/w_ratio_cold_str.c
--- a/gcc/testsuite/gcc.dg/struct/w_ratio_cold_str.c	2020-09-17 02:26:36.908000000 -0400
+++ b/gcc/testsuite/gcc.dg/struct/w_ratio_cold_str.c	2020-09-17 02:27:57.372000000 -0400
@@ -40,4 +40,4 @@ main ()
 
 /*--------------------------------------------------------------------------*/
 /* Arrays are not handled. */
-/* { dg-final-use { scan-ipa-dump "Number of structures to transform is 1" "struct_reorg" { xfail *-*-* } } } */
+/* { dg-final { scan-ipa-dump "Number of structures to transform is 1" "struct_reorg" { xfail *-*-* } } } */
diff -Nurp a/gcc/testsuite/g++.dg/torture/pr38355.C b/gcc/testsuite/g++.dg/torture/pr38355.C
--- a/gcc/testsuite/g++.dg/torture/pr38355.C	2020-09-17 02:26:36.908000000 -0400
+++ b/gcc/testsuite/g++.dg/torture/pr38355.C	1969-12-31 19:00:00.000000000 -0500
@@ -1,25 +0,0 @@
-// { dg-do run }
-// { dg-options "-fwhole-program -fipa-struct-reorg" }
-template<int> struct A
-{
-  char c;
-  void foo(int);
-  void bar(int i) { foo(i+1); }
-};
-
-template<int> struct B : virtual A<0> {};
-
-template<int T> inline void baz(B<T>& b, int i)
-{
-  if (i) b.bar(0);
-}
-
-extern template class A<0>;
-extern template void baz(B<0>&, int);
-
-int main()
-{
-  B<0> b;
-  baz(b, 0);
-  return 0;
-}