global-overflow-lld.cpp
647 Bytes
// Test that gc-sections-friendly instrumentation of globals does not introduce
// false negatives with the LLD linker.
// RUN: %clangxx_asan -fuse-ld=lld -Wl,-gc-sections -ffunction-sections -fdata-sections -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
// REQUIRES: lld
#include <string.h>
int main(int argc, char **argv) {
static char XXX[10];
static char YYY[10];
static char ZZZ[10];
memset(XXX, 0, 10);
memset(YYY, 0, 10);
memset(ZZZ, 0, 10);
int res = YYY[argc * 10]; // BOOOM
// CHECK: {{READ of size 1 at}}
// CHECK: {{located 0 bytes to the right of global variable}}
res += XXX[argc] + ZZZ[argc];
return res;
}