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1; Ensure that we terminate with a useful error message (instead of crash) if the2; user declares `__sancov_lowest_stack` with an unexpected type.3; RUN: not opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=1 -sanitizer-coverage-stack-depth -S 2>&1 | FileCheck %s4 5target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"6target triple = "x86_64-unknown-linux-gnu"7 8; Wrong type: i32 instead of expected i649@__sancov_lowest_stack = thread_local global i32 010 11; CHECK: error: '__sancov_lowest_stack' should not be declared by the user12