Index: testsuite/gcc.c-torture/compile/complex-5.c
===================================================================
--- testsuite/gcc.c-torture/compile/complex-5.c	(revision 0)
+++ testsuite/gcc.c-torture/compile/complex-5.c	(revision 0)
@@ -0,0 +1,13 @@
+/* PR 30132 */
+#define complex _Complex
+void testit(double complex* t, double* b)
+{
+  b[0] = t[0]==0.0?0.0:-t[0];
+}
+
+main(void)
+{
+  static double complex k = 5;
+  static double b;
+  testit(&k,&b);
+}
Index: cp/typeck.c
===================================================================
--- cp/typeck.c	(revision 122896)
+++ cp/typeck.c	(working copy)
@@ -4060,6 +4060,14 @@ build_address (tree t)
   if (error_operand_p (t) || !cxx_mark_addressable (t))
     return error_mark_node;
 
+  if (TREE_CODE (t) == COND_EXPR)
+    {
+      tree ptrtype = build_pointer_type (TREE_TYPE (t));
+      return build3 (COND_EXPR, ptrtype, TREE_OPERAND (t, 0),
+		     build_address (TREE_OPERAND (t, 1)),
+		     build_address (TREE_OPERAND (t, 2)));
+    }
+
   addr = build1 (ADDR_EXPR, build_pointer_type (TREE_TYPE (t)), t);
 
   return addr;
Index: gimplify.c
===================================================================
--- gimplify.c	(revision 122896)
+++ gimplify.c	(working copy)
@@ -2436,7 +2436,7 @@ gimplify_cond_expr (tree *expr_p, tree *
     {
       tree result;
 
-      if ((fallback & fb_lvalue) == 0)
+      if (fallback != fb_lvalue)
 	{
 	  result = tmp2 = tmp = create_tmp_var (TREE_TYPE (expr), "iftmp");
 	  ret = GS_ALL_DONE;
@@ -3948,6 +3948,15 @@ gimplify_addr_expr (tree *expr_p, tree *
 	  if (TREE_CODE (op0) == INDIRECT_REF)
 	    goto do_indirect_ref;
 
+	  /* If we don't already have an addressable expression, create a new
+	     decl to hold it so we don't get non gimple as the decl which was
+	     holding this before was not marked as addressable already.  */
+	  if (TREE_CODE (op0) == VAR_DECL
+	      && DECL_GIMPLE_FORMAL_TEMP_P (op0)
+	      && !TREE_ADDRESSABLE (op0))
+	    TREE_OPERAND (expr, 0) = get_initialized_tmp_var (op0, pre_p,
+							      post_p);
+
 	  /* Make sure TREE_INVARIANT, TREE_CONSTANT, and TREE_SIDE_EFFECTS
 	     is set properly.  */
 	  recompute_tree_invariant_for_addr_expr (expr);