Commit 110a6f39ca

Andrew Kelley <superjoe30@gmail.com>
2016-12-26 08:53:42
IR: pass explicitCastMaybePointers test
1 parent 6c9ec36
Changed files (2)
src
test
cases
src/ir.cpp
@@ -5030,11 +5030,10 @@ static IrInstruction *ir_analyze_maybe_wrap(IrAnalyze *ira, IrInstruction *sourc
 static IrInstruction *ir_analyze_pointer_reinterpret(IrAnalyze *ira, IrInstruction *source_instr,
         IrInstruction *ptr, TypeTableEntry *wanted_type)
 {
-    assert(wanted_type->id == TypeTableEntryIdPointer);
-
-    if (ptr->value.type->id != TypeTableEntryIdPointer) {
-        ir_add_error(ira, ptr,
-            buf_sprintf("expected pointer, found '%s'", buf_ptr(&ptr->value.type->name)));
+    if (ptr->value.type->id != TypeTableEntryIdPointer &&
+        ptr->value.type->id != TypeTableEntryIdMaybe)
+    {
+        ir_add_error(ira, ptr, buf_sprintf("expected pointer, found '%s'", buf_ptr(&ptr->value.type->name)));
         return ira->codegen->invalid_instruction;
     }
 
test/cases/misc.zig
@@ -271,6 +271,14 @@ fn compileTimeGlobalReinterpret() {
     assert(*d == 1234);
 }
 
+fn explicitCastMaybePointers() {
+    @setFnTest(this);
+
+    const a: ?&i32 = undefined;
+    const b: ?&f32 = (?&f32)(a);
+}
+
+
 // TODO import from std.str
 pub fn memeql(a: []const u8, b: []const u8) -> bool {
     sliceEql(u8, a, b)