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diff --git a/llvm/test/LTO/Resolution/X86/cache-prevailing.ll b/llvm/test/LTO/Resolution/X86/cache-prevailing.ll
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+++ b/llvm/test/LTO/Resolution/X86/cache-prevailing.ll
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+; Tests whether the cache is sensitive to the prevailing bit.
+; RUN: rm -rf %t.cache
+; RUN: opt -module-hash -module-summary -o %t.bc %s
+; RUN: llvm-lto2 run -o %t.o %t.bc -cache-dir %t.cache \
+; RUN: -r %t.bc,foo,p -r %t.bc,bar,px
+; RUN: llvm-lto2 run -o %t.o %t.bc -cache-dir %t.cache \
+; RUN: -r %t.bc,foo, -r %t.bc,bar,px
+; RUN: ls %t.cache | count 2
+
+target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-pc-windows-msvc19.11.0"
+
+@foo = linkonce_odr constant i32 1, comdat
+$foo = comdat any
+
+define i32* @bar() {
+ ret i32* @foo
+}
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