1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/divbyzero.c b/gcc/testsuite/gcc.dg/divbyzero.c
new file mode 100644
index 000000000..607aa12d5
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/divbyzero.c
@@ -0,0 +1,21 @@
+/* Copyright (C) 2001 Free Software Foundation, Inc.  */
+
+/* { dg-do compile } */
+
+/* Source: Neil Booth, Oct 22 2001.  PR 150 - warn about division by
+   zero.  */
+
+#define ZERO (4 - 6 + 2)
+
+int main (int argc, char *argv[])
+{
+  int w = argc % ZERO;		/* { dg-warning "division by zero" } */
+  int x = argc / 0;		/* { dg-warning "division by zero" } */
+  int y = argc / ZERO;		/* { dg-warning "division by zero" } */
+
+  double z = 0.0 / 0.0	;	/* { dg-bogus "division by zero" } */
+  w = (ZERO ? y / ZERO : x);	/* { dg-bogus "division by zero" } */
+  x = (ZERO ? argc % ZERO: x);  /* { dg-bogus "division by zero" } */
+
+  return 0;
+}