re PR tree-optimization/80612 (ICE in get_range_info, at tree-ssanames.c:375)

	PR tree-optimization/80612
	* calls.c (get_size_range): Check for INTEGRAL_TYPE_P.

	* gcc.dg/torture/pr80612.c: New test.

From-SVN: r247586

gcc/ChangeLog

+2017-05-04  Marek Polacek  <polacek@redhat.com>
+
+	PR tree-optimization/80612
+	* calls.c (get_size_range): Check for INTEGRAL_TYPE_P.
+
 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
 	    Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
 

gcc/calls.c

@@ -1270,7 +1270,7 @@ get_size_range (tree exp, tree range[2])
 
   wide_int min, max;
   enum value_range_type range_type
-    = (TREE_CODE (exp) == SSA_NAME
+    = ((TREE_CODE (exp) == SSA_NAME && INTEGRAL_TYPE_P (TREE_TYPE (exp)))
        ? get_range_info (exp, &min, &max) : VR_VARYING);
 
   if (range_type == VR_VARYING)

gcc/testsuite/ChangeLog

+2017-05-04  Marek Polacek  <polacek@redhat.com>
+
+	PR tree-optimization/80612
+	* gcc.dg/torture/pr80612.c: New test.
+
 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
 	    Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
 

gcc/testsuite/gcc.dg/torture/pr80612.c

+/* PR tree-optimization/80612 */
+/* { dg-do compile } */
+
+struct obstack *a;
+struct obstack {
+  union {
+    void *plain;
+    void (*extra)();
+  } chunkfun;
+} fn1(void p4()) {
+  a->chunkfun.plain = p4;
+  a->chunkfun.extra(a);
+}
+void fn2(int) __attribute__((__alloc_size__(1)));
+void fn3() { fn1(fn2); }