Stopped extern declarations from changing previous static, but otherwise identical...

diff --git a/src/cc65/symtab.c b/src/cc65/symtab.c
index 1f63e9430da997d511994f76b0bd3933ed5f514a..0e4de4ea2c2957e8661a69d52f5e85fc1ffbc08a 100644 (file)
--- a/src/cc65/symtab.c
+++ b/src/cc65/symtab.c
@@ -813,6 +813,11 @@ SymEntry* AddGlobalSym (const char* Name, const Type* T, unsigned Flags)
             }
         }
 
+        /* An extern declaration must not change the current linkage. */
+        if (IsFunc || (Flags & (SC_EXTERN | SC_DEF)) == SC_EXTERN) {
+            Flags &= ~SC_EXTERN;
+        }
+
         /* Add the new flags */
         Entry->Flags |= Flags;