From 3829e200ecc251d6b55686c24bdbd579c5a2246a Mon Sep 17 00:00:00 2001
From: Andrew Kelley <superjoe30@gmail.com>
Date: Sun, 18 Nov 2018 20:03:35 -0500
Subject: [PATCH] fix assertion failure related to @intToEnum

---
 src/ir.cpp          | 2 +-
 test/cases/cast.zig | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/ir.cpp b/src/ir.cpp
index 3a22d0aa17..55f17b811d 100644
--- a/src/ir.cpp
+++ b/src/ir.cpp
@@ -10153,7 +10153,7 @@ static IrInstruction *ir_analyze_int_to_enum(IrAnalyze *ira, IrInstruction *sour
         return ira->codegen->invalid_instruction;
     }
 
-    assert(actual_type->id == ZigTypeIdInt);
+    assert(actual_type->id == ZigTypeIdInt || actual_type->id == ZigTypeIdComptimeInt);
 
     if (instr_is_comptime(target)) {
         ConstExprValue *val = ir_resolve_const(ira, target, UndefBad);
diff --git a/test/cases/cast.zig b/test/cases/cast.zig
index 06c029a405..bd45bbc00f 100644
--- a/test/cases/cast.zig
+++ b/test/cases/cast.zig
@@ -462,3 +462,11 @@ test "implicit cast comptime numbers to any type when the value fits" {
     var b: u8 = a;
     assert(b == 255);
 }
+
+test "@intToEnum passed a comptime_int to an enum with one item" {
+    const E = enum {
+        A,
+    };
+    const x = @intToEnum(E, 0);
+    assert(x == E.A);
+}