From 22432b15e31d506d070171b2932d5df71e9a1b9e Mon Sep 17 00:00:00 2001
From: Vexu <git@vexu.eu>
Date: Wed, 26 Feb 2020 11:07:47 +0200
Subject: [PATCH] add test for `@intToEnum`

---
 lib/std/fmt.zig               |  6 ++----
 src-self-hosted/ir.zig        |  2 +-
 test/stage1/behavior/cast.zig | 11 +++++++++++
 3 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/lib/std/fmt.zig b/lib/std/fmt.zig
index b9c6dd00334042d70d0f68ebed91a2539bcbf9cd..d0931016461ecd0d770182330f37582792ffde27 100644
--- a/lib/std/fmt.zig
+++ b/lib/std/fmt.zig
@@ -414,10 +414,9 @@ pub fn formatType(
             if (max_depth == 0) {
                 return output(context, "{ ... }");
             }
-            comptime var field_i = 0;
             try output(context, "{");
-            inline for (StructT.fields) |f| {
-                if (field_i == 0) {
+            inline for (StructT.fields) |f, i| {
+                if (i == 0) {
                     try output(context, " .");
                 } else {
                     try output(context, ", .");
@@ -425,7 +424,6 @@ pub fn formatType(
                 try output(context, f.name);
                 try output(context, " = ");
                 try formatType(@field(value, f.name), fmt, options, context, Errors, output, max_depth - 1);
-                field_i += 1;
             }
             try output(context, " }");
         },
diff --git a/src-self-hosted/ir.zig b/src-self-hosted/ir.zig
index 576294a7d7cde8f97ba23b3f8fc48f06b97e8347..2e65962d415a5857df0d80c87257746a525e8268 100644
--- a/src-self-hosted/ir.zig
+++ b/src-self-hosted/ir.zig
@@ -1803,7 +1803,7 @@ pub const Builder = struct {
 
         // Look at the params and ref() other instructions
         inline for (@typeInfo(I.Params).Struct.fields) |f| {
-            switch (f.fiedl_type) {
+            switch (f.field_type) {
                 *Inst => @field(inst.params, f.name).ref(self),
                 *BasicBlock => @field(inst.params, f.name).ref(self),
                 ?*Inst => if (@field(inst.params, f.name)) |other| other.ref(self),
diff --git a/test/stage1/behavior/cast.zig b/test/stage1/behavior/cast.zig
index 76d3b784ec96b2b61ec4d805bc4c235467a042a5..d2267a3753519e9c1b7da843c0e168205b7e468c 100644
--- a/test/stage1/behavior/cast.zig
+++ b/test/stage1/behavior/cast.zig
@@ -491,6 +491,17 @@ test "@intToEnum passed a comptime_int to an enum with one item" {
     expect(x == E.A);
 }
 
+test "@intToEnum runtime to  an extern enum with duplicate values" {
+    const E = extern enum(u8) {
+        A = 1,
+        B = 1,
+    };
+    var a: u8 = 1;
+    var x = @intToEnum(E, a);
+    expect(x == E.A);
+    expect(x == E.B);
+}
+
 test "@intCast to u0 and use the result" {
     const S = struct {
         fn doTheTest(zero: u1, one: u1, bigzero: i32) void {
-- 
2.54.0