new file mode 100644
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+extern double pow(double x, double y);
+
+struct S {
+ unsigned int a : 3, b : 8, c : 21;
+};
+
+void foo (struct S *p)
+{
+ pow (p->c, 42);
+}
@@ -260,7 +260,7 @@ check_pow (gcall *pow_call)
/* If the type of the base is too wide,
the resulting shrink wrapping condition
will be too conservative. */
- if (bit_sz > MAX_BASE_INT_BIT_SIZE)
+ if (bit_sz != 8 && bit_sz != 16 && bit_sz != MAX_BASE_INT_BIT_SIZE)
return false;
return true;