// XFAIL:* //// Currently debug info for 'local' behaves, but 'plocal' dereferences to //// the incorrect value 0xFF after the call to esc. // REQUIRES: lldb // UNSUPPORTED: system-windows // RUN: %clang -std=gnu11 -O2 -glldb %s -o %t // RUN: %dexter --fail-lt 1.0 -w --debugger lldb --binary %t -- %s // //// Check that a pointer to a variable living on the stack dereferences to the //// variable value. int glob; __attribute__((__noinline__)) void esc(int* p) { glob = *p; *p = 0xFF; } int main() { int local = 0xA; int *plocal = &local; esc(plocal); // DexLabel('s1') local = 0xB; //// DSE return 0; // DexLabel('s2') } // DexExpectWatchValue('local', 0xA, on_line=ref('s1')) // DexExpectWatchValue('local', 0xB, on_line=ref('s2')) // DexExpectWatchValue('*plocal', 0xA, on_line=ref('s1')) // DexExpectWatchValue('*plocal', 0xB, on_line=ref('s2')) //// Ideally we should be able to observe the dead store to local (0xB) through //// plocal here. // DexExpectWatchValue('(local == *plocal)', 'true', from_line=ref('s1'), to_line=ref('s2'))