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-rw-r--r--021check_instruction.cc8
1 files changed, 6 insertions, 2 deletions
diff --git a/021check_instruction.cc b/021check_instruction.cc
index 48f90078..ee44161a 100644
--- a/021check_instruction.cc
+++ b/021check_instruction.cc
@@ -102,15 +102,19 @@ bool types_match(const reagent& to, const reagent& from) {
   if (is_literal(from)) {
     if (is_mu_array(to)) return false;
     // End Matching Types For Literal(to)
-    // allow writing 0 to any address
-    if (is_mu_address(to)) return from.name == "0";
     if (!to.type) return false;
+    if (is_mu_address(to)) return types_match_literal_to_address(from);
     // End Literal types_match Special-cases
     return size_of(to) == 1;  // literals are always scalars
   }
   return types_strictly_match(to, from);
 }
 
+bool types_match_literal_to_address(const reagent& from) {
+  // End Literal->Address types_match(from) Special-cases
+  return false;
+}
+
 //: copy arguments for later layers
 bool types_strictly_match(reagent/*copy*/ to, reagent/*copy*/ from) {
   // End Preprocess types_strictly_match(reagent to, reagent from)