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add compile error test for pointless discards

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This commit is contained in:
Andrew Kelley 2022-09-13 10:01:17 -07:00
parent ebd082d3f6
commit b2e94de358
1 changed files with 12 additions and 0 deletions
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12
test/cases/compile_errors/pointless discard.zig Normal file
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@ -0,0 +1,12 @@
export fn foo() void {
var x: i32 = 1234;
x += 1;
_ = x;
}
// error
// backend=stage2
// target=native
//
// :4:9: error: pointless discard of local variable
// :3:5: note: used here