Commit c7852bd596

@@ -1,8 +0,0 @@
-{
-    "files.associations": {
-        "*.zig": "c",
-        "type_traits": "cpp",
-        "*.inc": "cpp",
-        "thread": "cpp"
-    }
-}
\ No newline at end of file

@@ -5827,12 +5827,25 @@ static bool ir_num_lit_fits_in_other_type(IrAnalyze *ira, IrInstruction *instruc
             return true;
         }
     } else if ((other_type->id == TypeTableEntryIdNumLitFloat && const_val->data.x_bignum.kind == BigNumKindFloat) ||
-               (other_type->id == TypeTableEntryIdNumLitInt   && const_val->data.x_bignum.kind == BigNumKindInt  )) {
-        return true;
-    } else if ((other_type->id == TypeTableEntryIdMaybe &&
-                other_type->data.maybe.child_type->id == TypeTableEntryIdInt &&
-                const_val->data.x_bignum.kind == BigNumKindInt)) {
+               (other_type->id == TypeTableEntryIdNumLitInt   && const_val->data.x_bignum.kind == BigNumKindInt  ))
+    {
         return true;
+    } else if (other_type->id == TypeTableEntryIdMaybe) {
+        TypeTableEntry *child_type = other_type->data.maybe.child_type;
+        if ((child_type->id == TypeTableEntryIdNumLitFloat && const_val->data.x_bignum.kind == BigNumKindFloat) ||
+            (child_type->id == TypeTableEntryIdNumLitInt   && const_val->data.x_bignum.kind == BigNumKindInt  ))
+        {
+            return true;
+        } else if (child_type->id == TypeTableEntryIdInt && const_val->data.x_bignum.kind == BigNumKindInt) {
+            if (bignum_fits_in_bits(&const_val->data.x_bignum,
+                        child_type->data.integral.bit_count,
+                        child_type->data.integral.is_signed))
+            {
+                return true;
+            }
+        } else if (child_type->id == TypeTableEntryIdFloat && const_val->data.x_bignum.kind == BigNumKindFloat) {
+            return true;
+        }
     }
 
     const char *num_lit_str = (const_val->data.x_bignum.kind == BigNumKindFloat) ? "float" : "integer";
@@ -5898,11 +5911,9 @@ static ImplicitCastMatchResult ir_types_match_with_implicit_cast(IrAnalyze *ira,
     // implicit conversion from T to %?T
     if (expected_type->id == TypeTableEntryIdErrorUnion &&
         expected_type->data.error.child_type->id == TypeTableEntryIdMaybe &&
-        ir_types_match_with_implicit_cast(
-            ira,
+        ir_types_match_with_implicit_cast(ira,
             expected_type->data.error.child_type->data.maybe.child_type,
-            actual_type,
-            value))
+            actual_type, value))
     {
         return ImplicitCastMatchResultYes;
     }
@@ -7083,10 +7094,14 @@ static IrInstruction *ir_analyze_cast(IrAnalyze *ira, IrInstruction *source_inst
     // explicit cast from T to %?T
     if (wanted_type->id == TypeTableEntryIdErrorUnion &&
         wanted_type->data.error.child_type->id == TypeTableEntryIdMaybe &&
-        actual_type->id != TypeTableEntryIdMaybe) {
-        if (types_match_const_cast_only(wanted_type->data.error.child_type->data.maybe.child_type, actual_type) || 
+        actual_type->id != TypeTableEntryIdMaybe)
+    {
+        TypeTableEntry *wanted_child_type = wanted_type->data.error.child_type->data.maybe.child_type;
+        if (types_match_const_cast_only(wanted_child_type, actual_type) ||
             actual_type->id == TypeTableEntryIdNullLit ||
-            actual_type->id == TypeTableEntryIdNumLitInt ) {
+            actual_type->id == TypeTableEntryIdNumLitInt ||
+            actual_type->id == TypeTableEntryIdNumLitFloat)
+        {
             IrInstruction *cast1 = ir_analyze_cast(ira, source_instr, wanted_type->data.error.child_type, value);
             if (type_is_invalid(cast1->value.type))
                 return ira->codegen->invalid_instruction;
@@ -7094,7 +7109,7 @@ static IrInstruction *ir_analyze_cast(IrAnalyze *ira, IrInstruction *source_inst
             IrInstruction *cast2 = ir_analyze_cast(ira, source_instr, wanted_type, cast1);
             if (type_is_invalid(cast2->value.type))
                 return ira->codegen->invalid_instruction;
-                
+
             return cast2;
         }
     }