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commit    c9d44a75d48ed8a9b9275b95be1fadaa562f3826
Author:   Heikki Linnakangas <heikki.linnakangas@iki.fi>
Date:     Mon Nov 12 13:02:40 2012 +0000

    Silence "expression result unused" warnings in AssertVariableIsOfTypeMacro
    
    At least clang 3.1 generates those warnings. Prepend (void) to avoid them,
    like we have in AssertMacro.


 src/include/c.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/include/c.h b/src/include/c.h
index 3b0fa9c4f01..a6c0e6e6505 100644
--- a/src/include/c.h
+++ b/src/include/c.h
@@ -736,15 +736,15 @@ typedef NameData *Name;
 	StaticAssertStmt(__builtin_types_compatible_p(__typeof__(varname), typename), \
 	CppAsString(varname) " does not have type " CppAsString(typename))
 #define AssertVariableIsOfTypeMacro(varname, typename) \
-	StaticAssertExpr(__builtin_types_compatible_p(__typeof__(varname), typename), \
-	CppAsString(varname) " does not have type " CppAsString(typename))
+	((void) StaticAssertExpr(__builtin_types_compatible_p(__typeof__(varname), typename), \
+	 CppAsString(varname) " does not have type " CppAsString(typename)))
 #else /* !HAVE__BUILTIN_TYPES_COMPATIBLE_P */
 #define AssertVariableIsOfType(varname, typename) \
 	StaticAssertStmt(sizeof(varname) == sizeof(typename), \
 	CppAsString(varname) " does not have type " CppAsString(typename))
 #define AssertVariableIsOfTypeMacro(varname, typename) \
-	StaticAssertExpr(sizeof(varname) == sizeof(typename), \
-	CppAsString(varname) " does not have type " CppAsString(typename))
+	((void) StaticAssertExpr(sizeof(varname) == sizeof(typename),		\
+	 CppAsString(varname) " does not have type " CppAsString(typename)))
 #endif /* HAVE__BUILTIN_TYPES_COMPATIBLE_P */
 
 


[parent: 42218f29af41]