Don't warn the user about magic variables

ethereum · Jun 13, 2017 · 029f9b6 · 029f9b6
1 parent 2433c60
commit 029f9b6
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/libsolidity/analysis/NameAndTypeResolver.cpp b/libsolidity/analysis/NameAndTypeResolver.cpp
@@ -240,9 +240,12 @@ void NameAndTypeResolver::warnVariablesNamedLikeInstructions()
 	{
 		string const instructionName{boost::algorithm::to_lower_copy(instruction.first)};
 		auto declarations = nameFromCurrentScope(instructionName);
-		for (Declaration const* const declaration : declarations)
+		for (Declaration const* const declaration: declarations)
 		{
 			solAssert(!!declaration, "");
+			if (dynamic_cast<MagicVariableDeclaration const* const>(declaration))
+				// Don't warn the user for what the user did not.
+				continue;
 			m_errorReporter.warning(
 				declaration->location(),
 				"Variable is shadowed in inline assembly by an instruction of the same name"