Add some braces for clarity.

From-SVN: r3414

gcc/c-decl.c

@@ -3310,11 +3310,13 @@ finish_decl (decl, init, asmspec_tree)
 
       if ((DECL_EXTERNAL (decl) || TREE_STATIC (decl))
 	  && DECL_SIZE (decl) != 0)
+	{
 	  if (TREE_CODE (DECL_SIZE (decl)) == INTEGER_CST)
 	    constant_expression_warning (DECL_SIZE (decl));
 	  else
 	    error_with_decl (decl, "storage size of `%s' isn't constant");
 	}
+    }
 
   /* Output the assembler code and/or RTL code for variables and functions,
      unless the type is an undefined structure or union.
@@ -4901,6 +4903,7 @@ finish_struct (t, fieldlist)
       if (DECL_INITIAL (x))
 	STRIP_NOPS (DECL_INITIAL (x));
       if (DECL_INITIAL (x))
+	{
 	  if (TREE_CODE (DECL_INITIAL (x)) == INTEGER_CST)
 	    constant_expression_warning (DECL_INITIAL (x));
 	  else
@@ -4908,6 +4911,7 @@ finish_struct (t, fieldlist)
 	      error_with_decl (x, "bit-field `%s' width not an integer constant");
 	      DECL_INITIAL (x) = NULL;
 	    }
+	}
 
       /* Detect invalid bit-field type.  */
       if (DECL_INITIAL (x)
@@ -5316,6 +5320,7 @@ build_enumerator (name, value)
     STRIP_TYPE_NOPS (value);
 
   if (value != 0)
+    {
       if (TREE_CODE (value) == INTEGER_CST)
 	constant_expression_warning (value);
       else
@@ -5324,6 +5329,7 @@ build_enumerator (name, value)
 		 IDENTIFIER_POINTER (name));
 	  value = 0;
 	}
+    }
 
   /* Default based on previous value.  */
   /* It should no longer be possible to have NON_LVALUE_EXPR