[clang] [Clang] Pass -fseparate-named-sections from the driver (PR #91567)

[Petr Hosek via cfe-commits]

https://github.com/petrhosek updated https://github.com/llvm/llvm-project/pull/91567

>From ca2b9d52d31866a657e2eb19585cdcd11bcad7d3 Mon Sep 17 00:00:00 2001
From: Petr Hosek <phosek at google.com>
Date: Thu, 9 May 2024 00:28:33 -0700
Subject: [PATCH 1/2] [Clang] Pass -fseparate-named-sections from the driver

This is a follow up to #91028.
---
 clang/lib/Driver/ToolChains/Clang.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
index 0a2ea96de7382..ceb5eb835ddce 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -6116,6 +6116,8 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
 
   Args.addOptOutFlag(CmdArgs, options::OPT_funique_section_names,
                      options::OPT_fno_unique_section_names);
+  Args.addOptInFlag(CmdArgs, options::OPT_fseparate_named_sections,
+                    options::OPT_fno_separate_named_sections);
   Args.addOptInFlag(CmdArgs, options::OPT_funique_internal_linkage_names,
                     options::OPT_fno_unique_internal_linkage_names);
   Args.addOptInFlag(CmdArgs, options::OPT_funique_basic_block_section_names,

>From 9a7a23e62fca9bb2c3257732d6dcc66a2240c042 Mon Sep 17 00:00:00 2001
From: Petr Hosek <phosek at google.com>
Date: Fri, 10 May 2024 00:29:28 -0700
Subject: [PATCH 2/2] Add test

---
 clang/test/Driver/fseparate-named-sections.c | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 clang/test/Driver/fseparate-named-sections.c

diff --git a/clang/test/Driver/fseparate-named-sections.c b/clang/test/Driver/fseparate-named-sections.c
new file mode 100644
index 0000000000000..6264b8fcf0d84
--- /dev/null
+++ b/clang/test/Driver/fseparate-named-sections.c
@@ -0,0 +1,4 @@
+// RUN: %clang -### -fseparate-named-sections %s -c 2>&1 | FileCheck -check-prefix=CHECK-OPT %s
+// RUN: %clang -### -fseparate-named-sections -fno-separate-named-sections %s -c 2>&1 | FileCheck -check-prefix=CHECK-NOOPT %s
+// CHECK-OPT: "-fseparate-named-sections"
+// CHECK-NOOPT-NOT: "-fseparate-named-sections"