53a81d4d26
This reapplies 8fa66c6ca7272268747835a0e86805307b62399c ([asan][windows] Eliminate the static asan runtime on windows) for a second time. That PR bounced off the tests because it caused failures in the other sanitizer runtimes, these have been fixed by only building interception, sanitizer_common, and asan with /MD, and continuing to build the rest of the runtimes with /MT. This does mean that any usage of the static ubsan/fuzzer/etc runtimes will mean you're mixing different runtime library linkages in the same app, the interception, sanitizer_common, and asan runtimes are designed for this, however it does result in some linker warnings. Additionally, it turns out when building in release-mode with LLVM_ENABLE_PDBs the build system forced /OPT:ICF. This totally breaks asan's "new" method of doing "weak" functions on windows, and so /OPT:NOICF was explicitly added to asan's link flags. --------- Co-authored-by: Amy Wishnousky <amyw@microsoft.com>
21 lines
427 B
C++
21 lines
427 B
C++
// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
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#include <stdio.h>
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// Required for ld64 macOS 12.0+
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__attribute__((weak)) extern "C" void foo() {}
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extern "C" void __sanitizer_report_error_summary(const char *summary) {
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fprintf(stderr, "test_report_error_summary\n");
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// CHECK: test_report_error_summary
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fflush(stderr);
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}
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char *x;
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int main() {
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x = new char[20];
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delete[] x;
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return x[0];
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}
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