add tests for tuple declarations

2 files changed, 20 insertions, 1 deletions

diff --git a/lib/std/zig/parse.zig b/lib/std/zig/parse.zig
index e0f0ebacbb..0226ec2e1d 100644
--- a/lib/std/zig/parse.zig
+++ b/lib/std/zig/parse.zig
@@ -884,7 +884,7 @@ const Parser = struct {
 
         var align_expr: Node.Index = 0;
         var type_expr: Node.Index = 0;
-        if (p.eatToken(.colon) != null or tuple_like) |_| {
+        if (p.eatToken(.colon) != null or tuple_like) {
             type_expr = try p.expectTypeExpr();
             align_expr = try p.parseByteAlign();
         }
diff --git a/lib/std/zig/render.zig b/lib/std/zig/render.zig
index 2c9ed8632f..160ec13f0c 100644
--- a/lib/std/zig/render.zig
+++ b/lib/std/zig/render.zig
@@ -1189,6 +1189,16 @@ fn renderContainerField(
         try renderToken(ais, tree, t, .space); // comptime
     }
     if (field.ast.type_expr == 0 and field.ast.value_expr == 0) {
+        if (field.ast.align_expr != 0) {
+            try renderIdentifier(ais, tree, field.ast.main_token, .space, .eagerly_unquote); // name
+            const lparen_token = tree.firstToken(field.ast.align_expr) - 1;
+            const align_kw = lparen_token - 1;
+            const rparen_token = tree.lastToken(field.ast.align_expr) + 1;
+            try renderToken(ais, tree, align_kw, .none); // align
+            try renderToken(ais, tree, lparen_token, .none); // (
+            try renderExpression(gpa, ais, tree, field.ast.align_expr, .none); // alignment
+            return renderToken(ais, tree, rparen_token, .space); // )
+        }
         return renderIdentifierComma(ais, tree, field.ast.main_token, space, .eagerly_unquote); // name
     }
     if (field.ast.type_expr != 0 and field.ast.value_expr == 0) {
@@ -1211,6 +1221,15 @@ fn renderContainerField(
     }
     if (field.ast.type_expr == 0 and field.ast.value_expr != 0) {
         try renderIdentifier(ais, tree, field.ast.main_token, .space, .eagerly_unquote); // name
+        if (field.ast.align_expr != 0) {
+            const lparen_token = tree.firstToken(field.ast.align_expr) - 1;
+            const align_kw = lparen_token - 1;
+            const rparen_token = tree.lastToken(field.ast.align_expr) + 1;
+            try renderToken(ais, tree, align_kw, .none); // align
+            try renderToken(ais, tree, lparen_token, .none); // (
+            try renderExpression(gpa, ais, tree, field.ast.align_expr, .none); // alignment
+            try renderToken(ais, tree, rparen_token, .space); // )
+        }
         try renderToken(ais, tree, field.ast.main_token + 1, .space); // =
         return renderExpressionComma(gpa, ais, tree, field.ast.value_expr, space); // value
     }