symcheck: Ignore symbols in `.debug_gdb_scripts`

Since [1], our object files may now contain a GDB script section. These
symbols wind up with multiple instances in the archive but are weak, so
we can safely ignore them in our duplicates check.

This resolves the current CI failures.

[1]: https://github.com/rust-lang/rust/pull/143679

1 files changed, 5 insertions, 0 deletions

diff --git a/library/compiler-builtins/crates/symbol-check/src/main.rs b/library/compiler-builtins/crates/symbol-check/src/main.rs
index beb568a0f84..129c959f23a 100644
--- a/library/compiler-builtins/crates/symbol-check/src/main.rs
+++ b/library/compiler-builtins/crates/symbol-check/src/main.rs
@@ -215,6 +215,11 @@ fn verify_no_duplicates(archive: &Archive) {
             return;
         }
 
+        // GDB pretty printing symbols may show up more than once but are weak.
+        if sym.section == ".debug_gdb_scripts" && sym.is_weak {
+            return;
+        }
+
         // Windows has symbols for literal numeric constants, string literals, and MinGW pseudo-
         // relocations. These are allowed to have repeated definitions.
         let win_allowed_dup_pfx = ["__real@", "__xmm@", "??_C@_", ".refptr"];