From: Jakub Jelinek <jakub@redhat.com>
Date: Tue, 4 Feb 2014 13:38:13 +0000 (+0100)
Subject: re PR tree-optimization/60002 (ICE: SIGSEGV in skip_artificial_parms_for() with ... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=029ce7a26d8b23eee3096ff9f8424480c7dae6dd;p=gcc.git

re PR tree-optimization/60002 (ICE: SIGSEGV in skip_artificial_parms_for() with -O2 -fcompare-debug -fdeclone-ctor-dtor -fipa-cp-clone)

	PR tree-optimization/60002
	* cgraphclones.c (build_function_decl_skip_args): Clear
	DECL_LANG_SPECIFIC.

	* g++.dg/opt/pr60002.C: New test.

From-SVN: r207465
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 17a62621325..98f38c2fb95 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,9 @@
 2014-02-04  Jakub Jelinek  <jakub@redhat.com>
 
+	PR tree-optimization/60002
+	* cgraphclones.c (build_function_decl_skip_args): Clear
+	DECL_LANG_SPECIFIC.
+
 	PR tree-optimization/60023
 	* tree-if-conv.c (predicate_mem_writes): Pass true instead of
 	false to gsi_replace.
diff --git a/gcc/cgraphclones.c b/gcc/cgraphclones.c
index a87f77c628a..ca69033ddde 100644
--- a/gcc/cgraphclones.c
+++ b/gcc/cgraphclones.c
@@ -390,6 +390,9 @@ build_function_decl_skip_args (tree orig_decl, bitmap args_to_skip,
       DECL_BUILT_IN_CLASS (new_decl) = NOT_BUILT_IN;
       DECL_FUNCTION_CODE (new_decl) = (enum built_in_function) 0;
     }
+  /* The FE might have information and assumptions about the other
+     arguments.  */
+  DECL_LANG_SPECIFIC (new_decl) = NULL;
   return new_decl;
 }
 
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 4c49fc3c2a7..b85f335dbce 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,8 @@
 2014-02-04  Jakub Jelinek  <jakub@redhat.com>
 
+	PR tree-optimization/60002
+	* g++.dg/opt/pr60002.C: New test.
+
 	PR tree-optimization/60023
 	* g++.dg/vect/pr60023.cc: New test.
 
diff --git a/gcc/testsuite/g++.dg/opt/pr60002.C b/gcc/testsuite/g++.dg/opt/pr60002.C
new file mode 100644
index 00000000000..753f579dd9a
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/pr60002.C
@@ -0,0 +1,12 @@
+// PR tree-optimization/60002
+// { dg-do compile }
+// { dg-options "-O2 -fcompare-debug -fdeclone-ctor-dtor -fipa-cp-clone" }
+
+struct A {};
+
+struct B : virtual A { B (); ~B (); };
+
+B::~B ()
+{
+  B ();
+}