IAR compiler bug test code, C++ (gcc)

IAR compiler bug test code

#include <cassert>
#include <cstddef>
#include <cstdio>

bool functionToTestInitializationBug() // returns 'true' if the bug was detected
{
   static char aStaticLocalVar = 0;

struct testStruct
   {
      int  anInt;
      char *aPtrToAChar;
   };

static testStruct testArray[] =
   {
      { 0x11111111, NULL },
      { 0x22222222, NULL },
      { 0x33333333, (char*)0x0a0b0c0d },
      { 0x44444444, &aStaticLocalVar },
      { 0x55555555, (char*)0xaabbccdd },
      { 0x66666666, NULL },
      { 0x77777777, NULL },
   };

++aStaticLocalVar; // prevent optimizer from deciding 'aStaticLocalVar' is unused (probably not necessary)

return (aStaticLocalVar == 0)    // prevent optimizer from deciding 'aStaticLocalVar' is unused (probably not necessary)
          || (testArray[3].aPtrToAChar != &aStaticLocalVar); // do the actual bug detection
}

int main()
{
   bool testResult1 = functionToTestInitializationBug();
   bool testResult2 = functionToTestInitializationBug();
   assert(!testResult1 && !testResult2);
   printf("No bug.\n");
}


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