Re: bug report

[Grzegorz Konopko]

> Wyślij tu albo commitnij do SOURCES, to zobaczymy.
> (oczywiście łatę, nie paczki)
> 

Chyba nie bardzo sie nadaje na commit więc tu prześlę bo i duży nie jest.

diff -urN gcc-3.3.4.orig/gcc/except.c gcc-3.3.4/gcc/except.c
--- gcc-3.3.4.orig/gcc/except.c	2004-03-17 18:07:30.000000000 +0000
+++ gcc-3.3.4/gcc/except.c	2004-08-31 14:01:32.000000000 +0000
@@ -186,6 +186,7 @@
     struct eh_region_u_fixup {
       tree cleanup_exp;
       struct eh_region *real_region;
+      bool resolved;
     } GTY ((tag ("ERT_FIXUP"))) fixup;
   } GTY ((desc ("%0.type"))) u;
 
@@ -912,29 +913,48 @@
 }
 
 static void
+resolve_one_fixup_region (struct eh_region *fixup)
+{
+  struct eh_region *cleanup, *real;
+  int j, n;
+
+  n = cfun->eh->last_region_number;
+  cleanup = 0;
+
+  for (j = 1; j <= n; ++j)
+    {
+      cleanup = cfun->eh->region_array[j];
+      if (cleanup && cleanup->type == ERT_CLEANUP
+	  && cleanup->u.cleanup.exp == fixup->u.fixup.cleanup_exp)
+	break;
+    }
+  if (j > n)
+    abort ();
+
+  real = cleanup->outer;
+  if (real && real->type == ERT_FIXUP)
+    {
+      if (!real->u.fixup.resolved)
+	resolve_one_fixup_region (real);
+      real = real->u.fixup.real_region;
+    }
+
+  fixup->u.fixup.real_region = real;
+  fixup->u.fixup.resolved = true;
+}
+
+static void
 resolve_fixup_regions ()
 {
-  int i, j, n = cfun->eh->last_region_number;
+  int i, n = cfun->eh->last_region_number;
 
   for (i = 1; i <= n; ++i)
     {
       struct eh_region *fixup = cfun->eh->region_array[i];
-      struct eh_region *cleanup = 0;
 
-      if (! fixup || fixup->type != ERT_FIXUP)
+      if (!fixup || fixup->type != ERT_FIXUP || fixup->u.fixup.resolved)
 	continue;
-
-      for (j = 1; j <= n; ++j)
-	{
-	  cleanup = cfun->eh->region_array[j];
-	  if (cleanup->type == ERT_CLEANUP
-	      && cleanup->u.cleanup.exp == fixup->u.fixup.cleanup_exp)
-	    break;
-	}
-      if (j > n)
-	abort ();
-
-      fixup->u.fixup.real_region = cleanup->outer;
+      
     }
 }
 
diff -urN gcc-3.3.4.orig/gcc/testsuite/g++.dg/eh/cleanup2.C gcc-3.3.4/gcc/testsuite/g++.dg/eh/cleanup2.C
--- gcc-3.3.4.orig/gcc/testsuite/g++.dg/eh/cleanup2.C	1970-01-01 00:00:00.000000000 +0000
+++ gcc-3.3.4/gcc/testsuite/g++.dg/eh/cleanup2.C	2004-08-31 14:03:41.000000000 +0000
@@ -0,0 +1,46 @@
+// PR c++/12491
+// { dg-do compile }
+// { dg-options "-O2" }
+
+// The return statements are necessary to trigger this bug.
+
+class Object
+{
+public:
+  virtual ~Object (void) { return; }
+};
+
+class AutoPtr
+{
+public:
+  ~AutoPtr (void) { delete m_rep; return; }
+private:
+  const Object *m_rep;
+};
+
+class Handle
+{
+public:
+  ~Handle (void) { return; }
+private:
+    AutoPtr m_rep;
+};
+
+class HandleOf:public Handle
+{
+public:
+  ~HandleOf (void) { return; }
+};
+
+class Error
+{
+public:
+  ~Error (void);
+private:
+  HandleOf m_hndl;
+};
+
+Error::~Error (void)
+{
+  return;
+}

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