From 447cf5546fce5161b9dd532c2b27b3086b43a198 Mon Sep 17 00:00:00 2001
From: Jason Merrill <jason@redhat.com>
Date: Wed, 26 Jun 2013 22:35:39 -0400
Subject: [PATCH] re PR c++/57408 (lambda, Variable length arrays, thread,
 internal compiler error: in expand_expr_real_1, at expr.c:9327)

	PR c++/57408
	* semantics.c (add_capture): Set type to error_mark_node after
	error.

From-SVN: r200449
---
 gcc/cp/ChangeLog                  |  6 ++++++
 gcc/cp/semantics.c                |  1 +
 gcc/testsuite/g++.dg/cpp1y/vla9.C | 31 +++++++++++++++++++++++++++++++
 3 files changed, 38 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/cpp1y/vla9.C

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index bd82693722c..3be2f1e715d 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2013-06-21  Jason Merrill  <jason@redhat.com>
+
+	PR c++/57408
+	* semantics.c (add_capture): Set type to error_mark_node after
+	error.
+
 2013-06-25  Ed Smith-Rowland  <3dw4rd@verizon.net>
 
 	PR c++/57640
diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c
index 0a460a42544..4c76b80d0cd 100644
--- a/gcc/cp/semantics.c
+++ b/gcc/cp/semantics.c
@@ -9521,6 +9521,7 @@ add_capture (tree lambda, tree id, tree initializer, bool by_reference_p,
 	  && variably_modified_type_p (TREE_TYPE (type), NULL_TREE))
 	inform (input_location, "because the array element type %qT has "
 		"variable size", TREE_TYPE (type));
+      type = error_mark_node;
     }
   else if (by_reference_p)
     {
diff --git a/gcc/testsuite/g++.dg/cpp1y/vla9.C b/gcc/testsuite/g++.dg/cpp1y/vla9.C
new file mode 100644
index 00000000000..ea5c4d8eedb
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1y/vla9.C
@@ -0,0 +1,31 @@
+// PR c++/57408
+// { dg-options "-std=c++1y -pedantic-errors" }
+
+template<typename Callable>
+  struct Impl
+  {
+    Callable func;
+    Impl(Callable f) : func(f) { }
+    virtual void run() { func(); }
+  };
+
+template<typename Callable>
+void call(Callable f)
+  {
+    Impl<Callable>(f).run();
+  }
+
+extern "C" int printf(const char*, ...);
+
+int main(){
+    int y = 2;
+    float fa[2][y];	    // { dg-error "array of array of runtime bound" }
+    fa[0][0]=0.8;
+    fa[0][1]=1.8;
+    auto fx=[&](){
+        for(int c=0; c<2; c++){
+            printf("use me", fa[0][c]);	// { dg-error "capture of variable-size type" }
+        }
+    };
+    call(fx);
+}