1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/overflow-warn-8.c b/gcc/testsuite/gcc.dg/overflow-warn-8.c
new file mode 100644
index 000000000..43ecda0a5
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/overflow-warn-8.c
@@ -0,0 +1,23 @@
+#include <limits.h>
+
+void foo (int j)
+{
+  int i1 = (int)(double)1.0 + INT_MAX; /* { dg-warning "integer overflow" } */
+  int i2 = (int)(double)1 + INT_MAX; /* { dg-warning "integer overflow" } */
+  int i3 = 1 + INT_MAX; /* { dg-warning "integer overflow" } */
+  int i4 = +1 + INT_MAX; /* { dg-warning "integer overflow" } */
+  int i5 = (int)((double)1.0 + INT_MAX);
+  int i6 = (double)1.0 + INT_MAX; /* { dg-warning "overflow in implicit constant" } */
+  int i7 = 0 ? (int)(double)1.0 + INT_MAX : 1;
+  int i8 = 1 ? 1 : (int)(double)1.0 + INT_MAX;
+  int i9 = j ? (int)(double)1.0 + INT_MAX : 1; /* { dg-warning "integer overflow" } */
+  unsigned int i10 = 0 ? (int)(double)1.0 + INT_MAX : 9U;
+  unsigned int i11 = 1 ? 9U : (int)(double)1.0 + INT_MAX;
+  unsigned int i12 = j ? (int)(double)1.0 + INT_MAX : 9U; /* { dg-warning "integer overflow" } */
+  int i13 = 1 || (int)(double)1.0 + INT_MAX < 0;
+  int i14 = 0 && (int)(double)1.0 + INT_MAX < 0;
+  int i15 = 0 || (int)(double)1.0 + INT_MAX < 0; /* { dg-warning "integer overflow" } */
+  int i16 = 1 && (int)(double)1.0 + INT_MAX < 0; /* { dg-warning "integer overflow" } */
+  int i17 = j || (int)(double)1.0 + INT_MAX < 0; /* { dg-warning "integer overflow" } */
+  int i18 = j && (int)(double)1.0 + INT_MAX < 0; /* { dg-warning "integer overflow" } */
+}