PR c++/88857 - ICE with value-initialization of argument in template.

	* call.c (convert_like_real): Don't call build_value_init in template.

	* g++.dg/cpp0x/initlist-value4.C: New test.

From-SVN: r269267

gcc/cp/ChangeLog

+2019-02-27  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/88857 - ICE with value-initialization of argument in template.
+	* call.c (convert_like_real): Don't call build_value_init in template.
+
 2019-02-27  Jason Merrill  <jason@redhat.com>
 
 	PR c++/86969 - ICE with constexpr if and recursive generic lambdas.

gcc/cp/call.c

@@ -7005,7 +7005,8 @@ convert_like_real (conversion *convs, tree expr, tree fn, int argnum,
 	/* If we're initializing from {}, it's value-initialization.  */
 	if (BRACE_ENCLOSED_INITIALIZER_P (expr)
 	    && CONSTRUCTOR_NELTS (expr) == 0
-	    && TYPE_HAS_DEFAULT_CONSTRUCTOR (totype))
+	    && TYPE_HAS_DEFAULT_CONSTRUCTOR (totype)
+	    && !processing_template_decl)
 	  {
 	    bool direct = CONSTRUCTOR_IS_DIRECT_INIT (expr);
 	    if (abstract_virtuals_error_sfinae (NULL_TREE, totype, complain))

gcc/testsuite/ChangeLog

 2019-02-27  Marek Polacek  <polacek@redhat.com>
 
+	PR c++/88857 - ICE with value-initialization of argument in template.
+	* g++.dg/cpp0x/initlist-value4.C: New test.
+
+2019-02-27  Marek Polacek  <polacek@redhat.com>
+
 	PR c++/89511 - ICE with using-declaration and unscoped enumerator.
 	* g++.dg/cpp0x/using-enum-3.C: New test.
 

gcc/testsuite/g++.dg/cpp0x/initlist-value4.C

+// PR c++/88857
+// { dg-do compile { target c++11 } }
+
+class S { int a; };
+void foo (const S &, int);
+
+template <int N>
+void
+bar ()
+{
+  foo ({}); // { dg-error "too few arguments to function" }
+}