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1 // Make sure ASan doesn't hang in an exec loop if DYLD_INSERT_LIBRARIES is set.
2 // This is a regression test for
3 // https://code.google.com/p/address-sanitizer/issues/detail?id=159
4 
5 // RUN: %clangxx_asan %s -o %t
6 // RUN: %clangxx %p/../SharedLibs/darwin-dummy-shared-lib-so.cc \
7 // RUN:     -dynamiclib -o darwin-dummy-shared-lib-so.dylib
8 
9 // FIXME: the following command line may hang in the case of a regression.
10 // RUN: DYLD_INSERT_LIBRARIES=darwin-dummy-shared-lib-so.dylib \
11 // RUN:     %t 2>&1 | FileCheck %s || exit 1
12 #include <stdio.h>
13 #include <stdlib.h>
14 
main()15 int main() {
16   const char kEnvName[] = "DYLD_INSERT_LIBRARIES";
17   printf("%s=%s\n", kEnvName, getenv(kEnvName));
18   // CHECK: {{DYLD_INSERT_LIBRARIES=.*darwin-dummy-shared-lib-so.dylib.*}}
19   return 0;
20 }
21