[lto] The previous testcase was not useful enough.

-shared was hiding the fact that the intrinsic wasn't being found.

llvm-svn: 263197

lld/ELF/InputFiles.cpp

@@ -454,6 +454,8 @@ void BitcodeFile::parse(DenseSet<StringRef> &ComdatGroups) {
       ExtraKeeps.push_back(GV->getName().copy(Alloc));
       continue;
     }
+    if (Flags & BasicSymbolRef::SF_FormatSpecific)
+        continue;
     uint8_t Visibility = getGvVisibility(GV);
 
     SmallString<64> Name;

lld/test/ELF/lto/linkage.ll

@@ -1,6 +1,7 @@
 ; REQUIRES: x86
 ; RUN: llvm-as %s -o %t1.o
 ; RUN: ld.lld -m elf_x86_64 %t1.o %t1.o -o %t.so -shared
+; RUN: llvm-nm %t.so | FileCheck %s
 
 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
 target triple = "x86_64-unknown-linux-gnu"
@@ -16,3 +17,4 @@ define internal void @ctor() {
 
 ; Should not try to merge a declaration into the combined module.
 declare i32 @llvm.ctpop.i32(i32)
+; CHECK-NOT: llvm.ctpop.i32