Mark test that is testing statistics output as requiring Assertions

We only enable statistic in an assert build by default.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@291044 91177308-0d34-0410-b5e6-96231b3b80d8

test/ThinLTO/X86/lazyload_metadata.ll

@@ -2,7 +2,7 @@
 ; RUN: opt -module-summary %s -o %t.bc -bitcode-mdindex-threshold=0
 ; RUN: opt -module-summary %p/Inputs/lazyload_metadata.ll -o %t2.bc -bitcode-mdindex-threshold=0
 ; RUN: llvm-lto -thinlto-action=thinlink -o %t3.bc %t.bc %t2.bc
-
+; REQUIRES: asserts
 
 ; Check that importing @globalfunc1 does not trigger loading all the global
 ; metadata for @globalfunc2 and @globalfunc3