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Proper warnings for "risky" gotos.

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This commit is contained in:
laubzega
2018-09-28 22:11:09 -07:00
committed by Oliver Schmidt
parent c835f49913
commit c797b3b376
10 changed files with 637 additions and 27 deletions
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437
test/misc/goto.c Normal file
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@@ -0,0 +1,437 @@
void main () {
goto end;
{
int a = 1;
start:
goto end;
}
goto start;
end:;
}
void f2 () {
int a = 2;
l1:
goto l1;
goto l2;
goto l3;
goto l4;
goto l5;
goto l6;
goto l7;
goto l8;
goto l9;
goto la;
goto lb;
goto lc;
goto ld;
goto le;
goto lf;
goto lg;
goto lh;
goto li;
{
int a;
l2:;
goto l1;
goto l2;
goto l3;
goto l4;
goto l5;
goto l6;
goto l7;
goto l8;
goto l9;
goto la;
goto lb;
goto lc;
goto ld;
goto le;
goto lf;
goto lg;
goto lh;
goto li;
{
int a;
l3:;
goto l1;
goto l2;
goto l3;
goto l4;
goto l5;
goto l6;
goto l7;
goto l8;
goto l9;
goto la;
goto lb;
goto lc;
goto ld;
goto le;
goto lf;
goto lg;
goto lh;
goto li;
{
int a;
l4:;
goto l1;
goto l2;
goto l3;
goto l4;
goto l5;
goto l6;
goto l7;
goto l8;
goto l9;
goto la;
goto lb;
goto lc;
goto ld;
goto le;
goto lf;
goto lg;
goto lh;
goto li;
}
l5:;
goto l1;
goto l2;
goto l3;
goto l4;
goto l5;
goto l6;
goto l7;
goto l8;
goto l9;
goto la;
goto lb;
goto lc;
goto ld;
goto le;
goto lf;
goto lg;
goto lh;
goto li;
}
l6:;
goto l1;
goto l2;
goto l3;
goto l4;
goto l5;
goto l6;
goto l7;
goto l8;
goto l9;
goto la;
goto lb;
goto lc;
goto ld;
goto le;
goto lf;
goto lg;
goto lh;
goto li;
}
l7:;
goto l1;
goto l2;
goto l3;
goto l4;
goto l5;
goto l6;
goto l7;
goto l8;
goto l9;
goto la;
goto lb;
goto lc;
goto ld;
goto le;
goto lf;
goto lg;
goto lh;
goto li;
{
int a = 1;
l8:;
goto l1;
goto l2;
goto l3;
goto l4;
goto l5;
goto l6;
goto l7;
goto l8;
goto l9;
goto la;
goto lb;
goto lc;
goto ld;
goto le;
goto lf;
goto lg;
goto lh;
goto li;
{
int a = 1;
l9:;
goto l1;
goto l2;
goto l3;
goto l4;
goto l5;
goto l6;
goto l7;
goto l8;
goto l9;
goto la;
goto lb;
goto lc;
goto ld;
goto le;
goto lf;
goto lg;
goto lh;
goto li;
{
int a = 1;
la:;
goto l1;
goto l2;
goto l3;
goto l4;
goto l5;
goto l6;
goto l7;
goto l8;
goto l9;
goto la;
goto lb;
goto lc;
goto ld;
goto le;
goto lf;
goto lg;
goto lh;
goto li;
}
lb:;
goto l1;
goto l2;
goto l3;
goto l4;
goto l5;
goto l6;
goto l7;
goto l8;
goto l9;
goto la;
goto lb;
goto lc;
goto ld;
goto le;
goto lf;
goto lg;
goto lh;
goto li;
}
lc:;
goto l1;
goto l2;
goto l3;
goto l4;
goto l5;
goto l6;
goto l7;
goto l8;
goto l9;
goto la;
goto lb;
goto lc;
goto ld;
goto le;
goto lf;
goto lg;
goto lh;
goto li;
}
{
int a = 1;
ld:;
goto l1;
goto l2;
goto l3;
goto l4;
goto l5;
goto l6;
goto l7;
goto l8;
goto l9;
goto la;
goto lb;
goto lc;
goto ld;
goto le;
goto lf;
goto lg;
goto lh;
goto li;
{
int a = 1;
le:;
goto l1;
goto l2;
goto l3;
goto l4;
goto l5;
goto l6;
goto l7;
goto l8;
goto l9;
goto la;
goto lb;
goto lc;
goto ld;
goto le;
goto lf;
goto lg;
goto lh;
goto li;
{
int a = 1;
lf:;
goto l1;
goto l2;
goto l3;
goto l4;
goto l5;
goto l6;
goto l7;
goto l8;
goto l9;
goto la;
goto lb;
goto lc;
goto ld;
goto le;
goto lf;
goto lg;
goto lh;
goto li;
}
lg:;
goto l1;
goto l2;
goto l3;
goto l4;
goto l5;
goto l6;
goto l7;
goto l8;
goto l9;
goto la;
goto lb;
goto lc;
goto ld;
goto le;
goto lf;
goto lg;
goto lh;
goto li;
}
lh:;
goto l1;
goto l2;
goto l3;
goto l4;
goto l5;
goto l6;
goto l7;
goto l8;
goto l9;
goto la;
goto lb;
goto lc;
goto ld;
goto le;
goto lf;
goto lg;
goto lh;
goto li;
}
li:;
goto l1;
goto l2;
goto l3;
goto l4;
goto l5;
goto l6;
goto l7;
goto l8;
goto l9;
goto la;
goto lb;
goto lc;
goto ld;
goto le;
goto lf;
goto lg;
goto lh;
goto li;
}
/* Structure of the above function.
void f2 () {
int a = 2;
l1:
{
int a;
l2:;
{
int a;
l3:;
{
int a;
l4:;
}
l5:;
}
l6:;
}
l7:;
{
int a = 1;
l8:;
{
int a = 1;
l9:;
{
int a = 1;
la:;
}
lb:;
}
lc:;
}
{
int a = 1;
ld:;
{
int a = 1;
le:;
{
int a = 1;
lf:;
}
lg:;
}
lh:;
}
li:;
}
*/