[clang] [clang] Fix --entry command line option (PR #69114)

[Tuur Martens via cfe-commits]

https://github.com/JohnyTheCarrot updated https://github.com/llvm/llvm-project/pull/69114

>From 111d19a7e03e2c59afc8d40c8210a901378594ee Mon Sep 17 00:00:00 2001
From: Tuur Martens <tuurmartens4 at gmail.com>
Date: Sun, 15 Oct 2023 18:08:35 +0200
Subject: [PATCH] [clang] Fix --entry command line option

---
 clang/include/clang/Driver/Options.td | 3 ++-
 clang/test/Driver/entry.c             | 5 +++++
 2 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 clang/test/Driver/entry.c

diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index 3f2058a5d4650ca..6737af0a8b68728 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -5474,7 +5474,8 @@ def _dyld_prefix_EQ : Joined<["--"], "dyld-prefix=">;
 def _dyld_prefix : Separate<["--"], "dyld-prefix">, Alias<_dyld_prefix_EQ>;
 def _encoding_EQ : Joined<["--"], "encoding=">, Alias<fencoding_EQ>;
 def _encoding : Separate<["--"], "encoding">, Alias<fencoding_EQ>;
-def _entry : Flag<["--"], "entry">, Alias<e>;
+def _entry_EQ : Joined<["--"], "entry=">, Flags<[LinkerInput]>, Group<Link_Group>, Alias<e>;
+def _entry : Separate<["--"], "entry">, Flags<[LinkerInput]>, Group<Link_Group>, Alias<e>;
 def _extdirs_EQ : Joined<["--"], "extdirs=">, Alias<fextdirs_EQ>;
 def _extdirs : Separate<["--"], "extdirs">, Alias<fextdirs_EQ>;
 def _extra_warnings : Flag<["--"], "extra-warnings">, Alias<W_Joined>;
diff --git a/clang/test/Driver/entry.c b/clang/test/Driver/entry.c
new file mode 100644
index 000000000000000..773e9676332e517
--- /dev/null
+++ b/clang/test/Driver/entry.c
@@ -0,0 +1,5 @@
+// RUN: %clang -### --entry test %s 2>&1 | FileCheck %s
+// RUN: %clang -### --entry=test %s 2>&1 | FileCheck %s
+// RUN: %clang -### -etest %s 2>&1 | FileCheck %s
+
+// CHECK: "-e" "test"