1 files changed, 72 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/Wconversion-real-integer.c b/gcc/testsuite/gcc.dg/Wconversion-real-integer.c
new file mode 100644
index 0000000..5911f6a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/Wconversion-real-integer.c
@@ -0,0 +1,72 @@
+/* Test for diagnostics for Wconversion between floating-point and
+   integers.  */
+
+/* { dg-do compile }
+/* { dg-options "-std=c99 -Wconversion" } */
+
+#include <limits.h>
+
+void fsi (signed int x);
+void fui (unsigned int x);
+void ffloat (float x);
+void fdouble (double x);
+
+float  vfloat;
+double vdouble;
+
+void h (void)
+{
+  unsigned int ui = 3;
+  int   si = 3;
+  unsigned char uc = 3;
+  signed char sc = 3;
+  float  f = 3;
+  double d = 3;
+
+  fsi (3.1f); /* { dg-warning "conversion" } */
+  si = 3.1f; /* { dg-warning "conversion" } */
+  fsi (3.1);  /* { dg-warning "conversion" } */
+  si = 3.1;  /* { dg-warning "conversion" } */
+  fsi (d);    /* { dg-warning "conversion" } */
+  si = d;    /* { dg-warning "conversion" } */
+  fui (-1.0); /* { dg-warning "overflow" } */
+  ui = -1.0;   /* { dg-warning "overflow" } */
+  ffloat (INT_MAX);  /* { dg-warning "conversion" } */
+  vfloat = INT_MAX;  /* { dg-warning "conversion" } */
+  ffloat (16777217); /* { dg-warning "conversion" } */
+  vfloat = 16777217; /* { dg-warning "conversion" } */
+  ffloat (si); /* { dg-warning "conversion" } */
+  vfloat = si; /* { dg-warning "conversion" } */
+  ffloat (ui); /* { dg-warning "conversion" } */
+  vfloat = ui; /* { dg-warning "conversion" } */
+
+  fsi (3);
+  si = 3;
+  fsi (3.0f);
+  si = 3.0f;
+  fsi (3.0);
+  si = 3.0;
+  fsi (16777217.0f);
+  si = 16777217.0f;
+  fsi ((int) 3.1);
+  si = (int) 3.1;
+  ffloat (3U);
+  vfloat = 3U;
+  ffloat (3);
+  vfloat = 3;
+  ffloat (INT_MIN);
+  vfloat = INT_MIN;
+  ffloat (uc);
+  vfloat = uc;
+  ffloat (sc);
+  vfloat = sc;
+
+  fdouble (UINT_MAX);
+  vdouble = UINT_MAX;
+  fdouble (ui);
+  vdouble = ui;
+  fdouble (si);
+  vdouble = si;
+}
+
+