commit b084d10c2898e4a9da7348cd4774f4fe409fe83c
author rorth <ro@gcc.gnu.org> Wed Sep 06 19:44:39 2023 +0200
committer GitHub <noreply@github.com> Wed Sep 06 19:44:39 2023 +0200
tree 9498e022ce6b0f446d8331873987f4a93e9cbbe0
parent d1487670ee1caaf1762c341f9f96cfb07540b5c1

[Driver] Wrap -lgcc_s in -z ignore/-z record on Solaris (#65487)

`clang` currently links `libgcc_s` unconditionally on Solaris, which is
unnecessary.

This patch wraps it in `-z ignore`/`-z record` instead.

Tested on `amd64-pc-solaris2.11` and `x86_64-pc-linux-gnu`.

clang/test/Driver/solaris-ld.c

diff --git a/clang/test/Driver/solaris-ld.c b/clang/test/Driver/solaris-ld.c
index 096ecad..231e149 100644
--- a/clang/test/Driver/solaris-ld.c
+++ b/clang/test/Driver/solaris-ld.c
@@ -22,7 +22,8 @@
 // CHECK-LD-SPARC32-SAME: "-L[[SYSROOT]]/usr/lib"
 // CHECK-LD: "-z" "ignore" "-latomic" "-z" "record"
 // CHECK-GLD: "--as-needed" "-latomic" "--no-as-needed"
-// CHECK-LD-SPARC32-SAME: "-lgcc_s"
+// CHECK-LD: "-z" "ignore" "-lgcc_s" "-z" "record"
+// CHECK-GLD: "--as-needed" "-lgcc_s" "--no-as-needed"
 // CHECK-LD-SPARC32-SAME: "-lc"
 // CHECK-LD-SPARC32-SAME: "-lgcc"
 // CHECK-LD-SPARC32-SAME: "-lm"