Warning on lossy implicit casts. (#2367)

* Warning on bool to float conversion.

* Fix test cases.

* Improve.

* LanguageServer: don't show constant value for non constant variables.

* Fix tests.

* Fix warnings in tests.

Co-authored-by: Yong He <yhe@nvidia.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/tests/diagnostics/bool-to-float.slang b/tests/diagnostics/bool-to-float.slang
new file mode 100644
index 000000000..087cf86b3
--- /dev/null
+++ b/tests/diagnostics/bool-to-float.slang
@@ -0,0 +1,13 @@
+// bool-to-float.slang
+
+// Diagnostic messages related to converting bool to float
+
+//DIAGNOSTIC_TEST:SIMPLE:
+
+struct Test
+{
+    void test()
+    {
+        float f = true;
+    }
+}