1 files changed, 27 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/pr59940.c b/gcc-4.9/gcc/testsuite/gcc.dg/pr59940.c
new file mode 100644
index 000000000..b0fd17f50
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/pr59940.c
@@ -0,0 +1,27 @@
+/* PR c/59940 */
+/* { dg-do compile } */
+/* { dg-options "-Wconversion -Woverflow" } */
+
+int f (unsigned int);
+
+int
+g (void)
+{
+  int si = 12;
+  unsigned int ui = -1; /* { dg-warning "21:negative integer implicitly converted to unsigned type" } */
+  unsigned char uc;
+  ui = si; /* { dg-warning "8:conversion" } */
+  si = 0x80000000; /* { dg-warning "8:conversion of unsigned constant value to negative integer" } */
+  si = 3.2f; /* { dg-warning "8:conversion" } */
+  uc = 256; /* { dg-warning "8:large integer implicitly truncated to unsigned type" } */
+  si = 0x800000000; /* { dg-warning "8:overflow in implicit constant conversion" } */
+  return f (si) /* { dg-warning "13:conversion" } */
+         + f (si); /* { dg-warning "15:conversion" } */
+}
+
+int
+y (void)
+{
+  f (); /* { dg-error "3:too few arguments to function" } */
+  g (0xa); /* { dg-error "3:too many arguments to function" } */
+}