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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/Wunsuffixed-float-constants-1.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/Wunsuffixed-float-constants-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/Wunsuffixed-float-constants-1.c
new file mode 100644
index 000000000..b4a38d5cb
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/Wunsuffixed-float-constants-1.c
@@ -0,0 +1,17 @@
+/* { dg-do compile } */
+/* { dg-options "-std=gnu99 -Wunsuffixed-float-constants" } */
+
+#define VAL 0.5;
+
+double a = 1.1d;
+
+/* With FLOAT_CONST_DECIMAL64 switched to ON these would have type
+ _Decimal64. */
+
+double b = VAL; /* { dg-warning "unsuffixed float constant" } */
+double c = 1.2; /* { dg-warning "unsuffixed float constant" } */
+
+/* With FLOAT_CONST_DECIMAL64 switched to ON these are still binary. */
+
+double d = 0x5.0p1; /* No warning for hex constant. */
+double e = 3.1i; /* No warning for imaginary constant. */