Add information for checking MISRA C++:2008 rule 5-0-5

rettichschnidi · Apr 17, 2016 · 70aefe4 · 70aefe4
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diff --git a/doc/cpp2008.md b/doc/cpp2008.md
@@ -152,7 +152,7 @@ Expressions
 |5-0-2  | TBD                  |                                               |
 |5-0-3  | TBD                  |                                               |
 |5-0-4  | -Wsign-conversion    |                                               |
-|5-0-5  | TBD                  |                                               |
+|5-0-5  | -Wliteral-conversion |                                               |
 |5-0-6  | -Wconversion         |                                               |
 |5-0-7  | TBD                  |                                               |
 |5-0-8  | TBD                  |                                               |

diff --git a/test/cpp2008/5-0-5.cpp b/test/cpp2008/5-0-5.cpp
@@ -0,0 +1,4 @@
+// RUN: %clang -fsyntax-only -Wliteral-conversion -Xclang -verify %s
+
+int iFromF = 3.5F; // expected-warning {{implicit conversion from 'float' to 'int' changes value from 3.5 to 3}}
+int iFromD = 3.5;  // expected-warning {{implicit conversion from 'double' to 'int' changes value from 3.5 to 3}}