; REQUIRES: x86, non-root-user ; Basic ThinLTO tests. ; RUN: opt -module-summary %s -o %t1.o ; RUN: opt -module-summary %p/Inputs/thinlto.ll -o %t2.o ; Ensure lld generates error if unable to write to index files ; RUN: rm -f %t2.o.thinlto.bc ; RUN: touch %t2.o.thinlto.bc ; RUN: chmod u-w %t2.o.thinlto.bc ; RUN: not ld.lld --plugin-opt=thinlto-index-only -shared %t1.o %t2.o -o /dev/null 2>&1 | FileCheck -DMSG=%errc_EACCES %s ; RUN: chmod u+w %t2.o.thinlto.bc ; CHECK: cannot open {{.*}}2.o.thinlto.bc: [[MSG]] target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" declare void @g(...) define void @f() { entry: call void (...) @g() ret void }