From 1dd5c032bf8116a8f75dd814e2450f7afe3f91eb Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Mon, 28 Dec 2020 22:21:25 -0700
Subject: [PATCH] stage2 tests: better failure reporting for failed execution

---
 src/test.zig | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/test.zig b/src/test.zig
index aa7fad2af2..37940c5f13 100644
--- a/src/test.zig
+++ b/src/test.zig
@@ -837,11 +837,18 @@ pub const TestContext = struct {
                     switch (exec_result.term) {
                         .Exited => |code| {
                             if (code != 0) {
-                                std.debug.print("execution exited with code {}\n", .{code});
-                                return error.BinaryBadExitCode;
+                                std.debug.print("{s}: execution exited with code {d}. stderr:\n{s}", .{
+                                    case.name, code, exec_result.stderr,
+                                });
+                                return error.ZigTestFailed;
                             }
                         },
-                        else => return error.BinaryCrashed,
+                        else => {
+                            std.debug.print("{s}: execution crashed. stderr:\n{s}", .{
+                                case.name, exec_result.stderr,
+                            });
+                            return error.ZigTestFailed;
+                        },
                     }
                     std.testing.expectEqualStrings(expected_stdout, exec_result.stdout);
                 },