Fix shadowing error for inline assembly.

test/libsolidity/syntaxTests/inlineAssembly/external_identifier_access_shadowing.sol

@@ -9,4 +9,5 @@ contract C {
     }
 }
 // ----
+// DeclarationError 3859: (103-104): This declaration shadows a declaration outside the inline assembly block.
 // DeclarationError 6578: (123-124): Cannot access local Solidity variables from inside an inline assembly function.

test/libsolidity/syntaxTests/inlineAssembly/function_call_invalid_argument_count.sol

@@ -1,5 +1,5 @@
 contract C {
-  function f() public pure {
+  function g() public pure {
     assembly {
       function f(a) {}
 

test/libsolidity/syntaxTests/inlineAssembly/function_definition.sol

@@ -1,7 +1,7 @@
 contract C {
   function f() pure public {
     assembly {
-      function f (a, b  , c ) ->    y,x,z {
+      function g (a, b  , c ) ->    y,x,z {
       }
     }
   }

test/libsolidity/syntaxTests/inlineAssembly/invalid/assignment_to_function.sol

@@ -1,8 +1,8 @@
 contract C {
     function f() public pure {
         assembly {
-            function f() {}
-            f := 1
+            function g() {}
+            g := 1
         }
     }
 }

test/libsolidity/syntaxTests/inlineAssembly/invalid/dot_in_fun_param.sol

@@ -1,5 +1,5 @@
 contract C {
-  function f() public pure {
+  function g() public pure {
     assembly {
       function f(a., x.b) -> t.b, b.. {}
     }

test/libsolidity/syntaxTests/inlineAssembly/invalid/dot_in_multi_vardecl.sol

@@ -1,5 +1,5 @@
 contract C {
-  function f() public pure {
+  function g() public pure {
     assembly {
       function f() -> x, y, z {}
       let a., aa.b := f()

test/libsolidity/syntaxTests/inlineAssembly/invalid/illegal_names.sol

@@ -49,7 +49,5 @@ contract C {
 // DeclarationError 4113: (595-600): The identifier name "super" is reserved.
 // DeclarationError 4113: (645-646): The identifier name "_" is reserved.
 // DeclarationError 4113: (759-763): The identifier name "this" is reserved.
-// DeclarationError 3859: (759-763): This declaration shadows a declaration outside the inline assembly block.
 // DeclarationError 4113: (785-790): The identifier name "super" is reserved.
-// DeclarationError 3859: (785-790): This declaration shadows a declaration outside the inline assembly block.
 // DeclarationError 4113: (812-813): The identifier name "_" is reserved.

test/libsolidity/syntaxTests/inlineAssembly/leave.sol

@@ -1,7 +1,7 @@
 contract C {
   function f() public pure {
     assembly {
-      function f() {
+      function g() {
         leave
       }
     }

test/libsolidity/syntaxTests/inlineAssembly/shadowing/function_arguments.sol

@@ -0,0 +1,11 @@
+contract C {
+    uint x;
+    function f() public pure {
+        assembly {
+            function g(f) -> x {}
+        }
+    }
+}
+// ----
+// DeclarationError 3859: (98-99): This declaration shadows a declaration outside the inline assembly block.
+// DeclarationError 3859: (104-105): This declaration shadows a declaration outside the inline assembly block.

test/libsolidity/syntaxTests/inlineAssembly/shadowing/function_name.sol

@@ -0,0 +1,9 @@
+contract C {
+    function f() public pure {
+        assembly {
+            function f() {}
+        }
+    }
+}
+// ----
+// DeclarationError 3859: (75-90): This declaration shadows a declaration outside the inline assembly block.

test/libsolidity/syntaxTests/inlineAssembly/shadowing/local_variable_by_fun_arg.sol

@@ -0,0 +1,10 @@
+contract C {
+    function f() public pure {
+        uint a;
+        assembly {
+            function g(a) {}
+        }
+    }
+}
+// ----
+// DeclarationError 3859: (102-103): This declaration shadows a declaration outside the inline assembly block.