re PR middle-end/57541 ([Cilkplus]: internal compiler error: in gimplify_expr, at gimplify.c:7809)

PR middle-end/57541
gcc/c/
	* c-array-notation.c (fix_builtin_array_notation_fn):
	Check for 0 arguments in builtin call. Check that bultin argument is
	correct.
	* c-parser.c (c_parser_array_notation): Check for incorrect initial
	index.

gcc/cpp/
	* cp-array-notation.c (expand_sec_reduce_builtin):
	Check that bultin argument is correct.
	* call.c (build_cxx_call): Check for 0 arguments in builtin call.

gcc/testsuite/
	* c-c++-common/cilk-plus/AN/pr57541.c: New case added.
	* c-c++-common/cilk-plus/AN/pr57541-2.c: New test.

From-SVN: r212138

gcc/c/ChangeLog

+2014-06-30  Igor Zamyatin  <igor.zamyatin@intel.com>
+
+	PR middle-end/57541
+	* c-array-notation.c (fix_builtin_array_notation_fn):
+	Check for 0 arguments in builtin call. Check that bultin argument is
+	correct.
+	* c-parser.c (c_parser_array_notation): Check for incorrect initial
+	index.
+
 2014-06-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 
 	* c-parser.c (c_parser_declaration_or_fndef): Discard all type

gcc/c/c-array-notation.c

@@ -214,6 +214,13 @@ fix_builtin_array_notation_fn (tree an_builtin_fn, tree *new_var)
   if (an_type == BUILT_IN_NONE)
     return NULL_TREE;
 
+  /* Builtin call should contain at least one argument.  */
+  if (call_expr_nargs (an_builtin_fn) == 0)
+    {
+      error_at (EXPR_LOCATION (an_builtin_fn), "Invalid builtin arguments");
+      return error_mark_node;
+    }
+
   if (an_type == BUILT_IN_CILKPLUS_SEC_REDUCE
       || an_type == BUILT_IN_CILKPLUS_SEC_REDUCE_MUTATING)
     {
@@ -238,7 +245,10 @@ fix_builtin_array_notation_fn (tree an_builtin_fn, tree *new_var)
     return error_mark_node;
  
   if (rank == 0)
-    return an_builtin_fn;
+    {
+      error_at (location, "Invalid builtin arguments");
+      return error_mark_node;
+    }
   else if (rank > 1 
 	   && (an_type == BUILT_IN_CILKPLUS_SEC_REDUCE_MAX_IND
 	       || an_type == BUILT_IN_CILKPLUS_SEC_REDUCE_MIN_IND))

gcc/c/c-parser.c

@@ -14098,7 +14098,7 @@ c_parser_array_notation (location_t loc, c_parser *parser, tree initial_index,
   tree value_tree = NULL_TREE, type = NULL_TREE, array_type = NULL_TREE;
   tree array_type_domain = NULL_TREE; 
 
-  if (array_value == error_mark_node)
+  if (array_value == error_mark_node || initial_index == error_mark_node)
     {
       /* No need to continue.  If either of these 2 were true, then an error
 	 must be emitted already.  Thus, no need to emit them twice.  */

gcc/cp/ChangeLog

+2014-06-30  Igor Zamyatin  <igor.zamyatin@intel.com>
+
+	PR middle-end/57541
+	* cp-array-notation.c (expand_sec_reduce_builtin):
+	Check that bultin argument is correct.
+	* call.c (build_cxx_call): Check for 0 arguments in builtin call.
+
 2014-06-28  Jonathan Wakely  <jwakely@redhat.com>
 
 	DR 1579

gcc/cp/call.c

@@ -7414,6 +7414,11 @@ build_cxx_call (tree fn, int nargs, tree *argarray,
 	  || bif == BUILT_IN_CILKPLUS_SEC_REDUCE
 	  || bif == BUILT_IN_CILKPLUS_SEC_REDUCE_MUTATING)
 	{ 
+	  if (call_expr_nargs (fn) == 0)
+	    {
+	      error_at (EXPR_LOCATION (fn), "Invalid builtin arguments");
+	      return error_mark_node;
+	    }
 	  /* for bif == BUILT_IN_CILKPLUS_SEC_REDUCE_ALL_ZERO or
 	     BUILT_IN_CILKPLUS_SEC_REDUCE_ANY_ZERO or
 	     BUILT_IN_CILKPLUS_SEC_REDUCE_ANY_NONZERO or 

gcc/cp/cp-array-notation.c

@@ -250,7 +250,10 @@ expand_sec_reduce_builtin (tree an_builtin_fn, tree *new_var)
   if (!find_rank (location, an_builtin_fn, an_builtin_fn, true, &rank))
       return error_mark_node;
   if (rank == 0)
-    return an_builtin_fn;
+    {
+      error_at (location, "Invalid builtin arguments");
+      return error_mark_node;
+    }
   else if (rank > 1 
 	   && (an_type == BUILT_IN_CILKPLUS_SEC_REDUCE_MAX_IND
 	       || an_type == BUILT_IN_CILKPLUS_SEC_REDUCE_MIN_IND))

gcc/testsuite/ChangeLog

+2014-06-30  Igor Zamyatin  <igor.zamyatin@intel.com>
+
+	PR middle-end/57541
+	* c-c++-common/cilk-plus/AN/pr57541.c: New case added.
+	* c-c++-common/cilk-plus/AN/pr57541-2.c: New test.
+
 2014-06-30  Zhenqiang Chen  <zhenqiang.chen@linaro.org>
 
 	* ira-loop-pressure.c: New test.

gcc/testsuite/c-c++-common/cilk-plus/AN/pr57541-2.c

+/* PR middle-end/57541 */
+/* { dg-do compile } */
+/* { dg-options "-fcilkplus" } */
+
+int foo1 ()
+{
+  int a;
+  a = __sec_reduce_add (1); /* { dg-error "Invalid builtin arguments" } */
+}
+
+int foo2 ()
+{
+  int a;
+  a = __sec_reduce_add (); /* { dg-error "Invalid builtin arguments" } */
+}

gcc/testsuite/c-c++-common/cilk-plus/AN/pr57541.c

+/* PR middle-end/57541 */
 /* { dg-do compile } */
 /* { dg-options "-fcilkplus" } */
 
 int A[10];
 
-int main () {
+int foo () {
 
   /* C compiler uses the term "undeclared" whereas C++ compiler uses
     "not declared".  Thus, grepping for declared seem to be the easiest.  */
@@ -13,5 +14,13 @@ int main () {
   A[l:s:c];
 }
 
-/* { dg-message "note: each" "defined" { target c }  10 } */
+int foo1 (int N) {
+
+  char c = (char)N;
+  short s = (short)N;
+  A[l:s:c]; /* { dg-error "declared" } */
+}
+
+
+/* { dg-message "note: each" "defined" { target c }  11 } */