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Fix conversion in a?0:ptr.

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(cond ? 0 : ptr)->member wasn't handled correctly.  If one arm
is a null pointer constant (which also can be a pointer) the result
type is that of the other arm.
This commit is contained in:
Michael Matz
2012-04-14 23:50:21 +02:00
parent f98c2306a0
commit 6471ec0a2b
2 changed files with 27 additions and 5 deletions
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13
tests/tcctest.c
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@ -2486,3 +2486,16 @@ void const_warn_test(void)
void const_warn_test(void)
{
const_func(1);
}
struct condstruct {
int i;
};
int getme (struct condstruct *s, int i)
{
int i1 = (i == 0 ? 0 : s)->i;
int i2 = (i == 0 ? s : 0)->i;
int i3 = (i == 0 ? (void*)0 : s)->i;
int i4 = (i == 0 ? s : (void*)0)->i;