Remove trailing whitespaces

Author: abulgit

compiler/src/dmd/dcast.d

@@ -150,9 +150,9 @@ Expression implicitCastTo(Expression e, Scope* sc, Type t)
                 //printf("type %s t %s\n", type.deco, t.deco);
                 auto ts = toAutoQualChars(e.type, t);
 
-                // Special case for improved diagnostic when const to mutable conversion 
+                // Special case for improved diagnostic when const to mutable conversion
                 // fails due to struct/union having pointers
-                if (e.type.ty == Tstruct && t.ty == Tstruct && 
+                if (e.type.ty == Tstruct && t.ty == Tstruct &&
                     e.type.isTypeStruct().sym == t.isTypeStruct().sym &&
                     e.type.mod == MODFlags.const_ && t.mod == 0)
                 {
@@ -166,7 +166,7 @@ Expression implicitCastTo(Expression e, Scope* sc, Type t)
                         return ErrorExp.get();
                     }
                 }
-                
+
                 error(e.loc, "cannot implicitly convert expression `%s` of type `%s` to `%s`",
                     e.toErrMsg(), ts[0], ts[1]);
             }

compiler/test/fail_compilation/fix20318.d

@@ -10,11 +10,11 @@ void main() {
     // This should work - struct without pointers
     const Foo a;
     Foo b = a; // This is okay
-    
+
     // This should fail with improved diagnostic message
     const Bar c;
     Bar d = c; // Error with improved diagnostic message
-    
+
     // Test with a more complex struct with nested pointers
     const ComplexBar complex_c;
     ComplexBar complex_d = complex_c; // Give improved error message
@@ -43,4 +43,4 @@ struct ComplexBar {
     Simple simple;       // This is fine
     int data;            // This is fine
     WithPointer nested;  // This field prevents implicit conversion
-} 
+}