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/* bug-3642.c
A bug in handling of parameters to nested function calls (outer one explicit, inner one via helper function)
that resulted in a register parameter being sent to the wrong function.
*/
#include <testfwk.h>
struct s
{
unsigned int i;
};
// Need a function where the first paremeter is an integer parameter small enough to be passed in registers, followed by a struct parameter.
void f(unsigned int i, struct s s)
{
ASSERT (i == 0x5a5a);
ASSERT (s.i == 0xa5a5);
}
void
testBug (void)
{
#ifndef __SDCC_ds390 // Fails to link
struct s s = {0xa5a5};
f(0x5a5a, s); // When passing s, a memcpy call will be used as helper function. The 0x5a5a will be passed as if it was an additional parameter to that memcpy instead of being passed to f.
#endif
}
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