[test] Fix tools/gold/X86/weak.ll after D94202

The order regressed after D94202: after `a b`, when adding `a c`, we may reorder
`a` to the right of `b`, causing the final order to be `b a c`.

Author: MaskRay

llvm/test/tools/gold/X86/Inputs/weak.ll

@@ -1,3 +1,4 @@
+target triple = "x86_64-unknown-linux-gnu"
 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
 
 @a = weak global i32 41

llvm/test/tools/gold/X86/weak.ll

@@ -6,13 +6,14 @@
 ; RUN:    -shared %t.o %t2.o -o %t3.o
 ; RUN: llvm-dis %t3.o -o - | FileCheck %s
 
+target triple = "x86_64-unknown-linux-gnu"
 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
 
 @a = weak global i32 42
 @b = global i32* @a
 
 ; Test that @b and @c end up pointing to the same variable.
 
-; CHECK: @a = weak global i32 42
 ; CHECK: @b = global i32* @a{{$}}
+; CHECK: @a = weak global i32 42
 ; CHECK: @c = global i32* @a{{$}}