From: Paolo Carlini <paolo@gcc.gnu.org>
Date: Wed, 14 Jan 2015 22:28:07 +0000 (+0000)
Subject: re PR c++/58671 ([c++11] ICE with thread_local and self-referential variable initiali... 
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X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=36b218ee8f31c868d1370df090a9ddc0594b1ba0;p=thirdparty%2Fgcc.git

re PR c++/58671 ([c++11] ICE with thread_local and self-referential variable initialization)

/cp
2015-01-14  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58671
	* decl2.c (var_defined_without_dynamic_init): Handle gracefully
	self-initialization.

/testsuite
2015-01-14  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58671
	* g++.dg/tls/thread_local-ice3.C: New.

From-SVN: r219621
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 013c432a6618..02b4fac907b7 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2015-01-14  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/58671
+	* decl2.c (var_defined_without_dynamic_init): Handle gracefully
+	self-initialization.
+
 2015-01-13  Jason Merrill  <jason@redhat.com>
 
 	PR c++/64356
diff --git a/gcc/cp/decl2.c b/gcc/cp/decl2.c
index e59a8f9058dc..a7bc08f6e56f 100644
--- a/gcc/cp/decl2.c
+++ b/gcc/cp/decl2.c
@@ -3094,8 +3094,11 @@ var_defined_without_dynamic_init (tree var)
      counts as dynamic initialization.  */
   if (TYPE_HAS_NONTRIVIAL_DESTRUCTOR (TREE_TYPE (var)))
     return false;
-  /* If it's in this TU, its initializer has been processed.  */
-  gcc_assert (DECL_INITIALIZED_P (var));
+  /* If it's in this TU, its initializer has been processed, unless
+     it's a case of self-initialization, then DECL_INITIALIZED_P is
+     false while the initializer is handled by finish_id_expression.  */
+  if (!DECL_INITIALIZED_P (var))
+    return false;
   /* If it has no initializer or a constant one, it's not dynamic.  */
   return (!DECL_NONTRIVIALLY_INITIALIZED_P (var)
 	  || DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P (var));
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 061aa7e0810b..e58d7098f981 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2015-01-14  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/58671
+	* g++.dg/tls/thread_local-ice3.C: New.
+
 2015-01-14  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* gcc.target/i386/fentry-override.c: Properly place {} in target
@@ -9,7 +14,6 @@
 	* gcc.dg/atomic-invalid.c: Check for invalid memory model
 	warnings instead of errors.
 
-
 2015-01-14  Ilya Verbin  <ilya.verbin@intel.com>
 
 	* lib/target-supports.exp (check_effective_target_lto): Check for -flto
@@ -64,7 +68,7 @@
 
 	PR lto/64415
 	* gcc.dg/lto/pr64415_0.c: New testcase.
-	* gcc.dg/lto/pr64415_1.c: Likewise. 
+	* gcc.dg/lto/pr64415_1.c: Likewise.
 
 2015-01-14  Martin Liska  <mliska@suse.cz>
 
diff --git a/gcc/testsuite/g++.dg/tls/thread_local-ice3.C b/gcc/testsuite/g++.dg/tls/thread_local-ice3.C
new file mode 100644
index 000000000000..d061a239f6c2
--- /dev/null
+++ b/gcc/testsuite/g++.dg/tls/thread_local-ice3.C
@@ -0,0 +1,5 @@
+// PR c++/58671
+// { dg-do compile { target c++11 } }
+// { dg-require-effective-target tls }
+
+thread_local int i = i;