Vendor import of clang trunk r256945:

https://llvm.org/svn/llvm-project/cfe/trunk@256945

1 files changed, 11 insertions, 0 deletions

diff --git a/test/SemaCXX/warn-literal-conversion.cpp b/test/SemaCXX/warn-literal-conversion.cpp
index d7bec4c..5d4b6f7 100644
--- a/test/SemaCXX/warn-literal-conversion.cpp
+++ b/test/SemaCXX/warn-literal-conversion.cpp
@@ -38,3 +38,14 @@ void test0() {
   int y = (24*60*60) * 0.25;
   int pennies = 123.45 * 100;
 }
+
+// Similarly, test floating point conversion to bool. Only float values of zero
+// are converted to false; everything else is converted to true.
+void test1() {
+  bool b1 = 0.99f; // expected-warning {{implicit conversion from 'float' to 'bool' changes value from 0.99 to true}}
+  bool b2 = 0.99; // expected-warning {{implicit conversion from 'double' to 'bool' changes value from 0.99 to true}}
+  // These do not warn because they can be directly converted to integral
+  // values.
+  bool b3 = 0.0f;
+  bool b4 = 0.0;
+}