Merge pull request #73470 from drodriguez/function-sections-fix

[Test][Linux] Improve Gold/LLD detection for function_sections.swift

Author: al45tair

test/LinkerSections/function_sections.swift

@@ -1,8 +1,9 @@
 // REQUIRES: OS=linux-gnu || OS=freebsd
 // RUN: %empty-directory(%t)
-// RUN: %target-build-swift -Xfrontend -function-sections -emit-module -emit-library -static -parse-stdlib %S/Inputs/FunctionSections.swift
-// RUN: %target-build-swift -Xlinker -v -Xlinker --gc-sections -Xlinker -Map=%t/../../FunctionSections.map -I%t/../.. -L%t/../.. -lFunctionSections %S/Inputs/FunctionSectionsUse.swift 2>&1 | sed 's/.*\(gold\|LLD\).*/\1/g' | tr "[:lower:]" "[:upper:]" > %t/../../Linker.txt
-// RUN: %FileCheck --check-prefix $(cat %t/../../Linker.txt) %s < %t/../../FunctionSections.map
+// RUN: %target-build-swift -Xfrontend -function-sections -emit-module -emit-library -static -parse-stdlib %S/Inputs/FunctionSections.swift -o %t/libFunctionSections.a
+// RUN: %target-build-swift -Xlinker --gc-sections -Xlinker -Map=%t/FunctionSections.map -I%t -L%t -lFunctionSections %S/Inputs/FunctionSectionsUse.swift
+// RUN: if head -1 %t/FunctionSections.map | grep "Archive members"; then  %FileCheck --check-prefix GOLD %s < %t/FunctionSections.map ; fi
+// RUN: if head -1 %t/FunctionSections.map | grep "VMA"; then %FileCheck --check-prefix LLD %s < %t/FunctionSections.map ; fi
 
 // GOLD: Discarded input sections
 // GOLD: .text.$s16FunctionSections5func2yyF