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phi instruction retains stack ptr hint

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Andrew Kelley
2017-04-27 23:40:43 -04:00
parent 2e512a0e6e
commit 458afb0ef9
2 changed files with 25 additions and 2 deletions
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12
test/compile_errors.zig
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@@ -1611,11 +1611,21 @@ pub fn addCases(cases: &tests.CompileErrorContext) {
".tmp_source.zig:3:5: error: cannot set section of external function 'foo'",
".tmp_source.zig:1:8: note: declared here");
cases.add("returning address of local variable",
cases.add("returning address of local variable - simple",
\\export fn foo() -> &i32 {
\\ var a: i32 = undefined;
\\ return &a;
\\}
,
".tmp_source.zig:3:13: error: function returns address of local variable");
cases.add("returning address of local variable - phi",
\\export fn foo(c: bool) -> &i32 {
\\ var a: i32 = undefined;
\\ var b: i32 = undefined;
\\ return if (c) &a else &b;
\\}
,
".tmp_source.zig:4:12: error: function returns address of local variable");
}