RUN: rm -rf %t && split-file %s %t && cd %t
RUN: %clang foo.c -c --coverage
RUN: %clang foo2.c -c --coverage
RUN: %clang -shared foo.o -o shr.o --coverage
RUN: ar -X32_64 r libfoo.a shr.o
RUN: %clang -shared foo2.o -o shr.o --coverage
RUN: ar -X32_64 r libfoo2.a shr.o

RUN: %clang common.c -c --coverage

RUN: %clang test1.c common.o  --coverage
RUN: ./a.out

//--- foo.c
void foo() {}

//--- foo2.c
void foo2() {}

//--- common.c
#include <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>
typedef void (*FN_PTR)();
int open_close_libs() {
  void *handle, *handle2;
  FN_PTR foo, foo2;

#define OPEN_AND_RUN(HANDLE, SUF)                                            \
  HANDLE = dlopen("./lib" #SUF ".a(shr.o)",RTLD_NOW|RTLD_MEMBER);            \
  SUF = (void (*)())dlsym(HANDLE, #SUF);                                     \
  if (SUF == NULL) {                                                         \
    fprintf(stderr, "unable to lookup symbol '%s': %s\n", #SUF, dlerror());  \
    return EXIT_FAILURE;                                                     \
  }                                                                          \
  SUF();

#define CLOSE_AND_CHECK(HANDLE, SUF)                                         \
  dlclose(HANDLE);                                                           \
  system("ls " #SUF ".gc*");

  OPEN_AND_RUN(handle, foo)
  CLOSE_AND_CHECK(handle, foo)

  OPEN_AND_RUN(handle2, foo2)
  OPEN_AND_RUN(handle, foo)
  CLOSE_AND_CHECK(handle2, foo2)
  CLOSE_AND_CHECK(handle, foo)
  return EXIT_SUCCESS;
}
//--- test1.c
int open_close_libs();
int main() {
  open_close_libs();
}