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-rw-r--r--src/test/ui/mir/issue-83499-input-output-iteration-ice.rs10
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diff --git a/src/test/ui/mir/issue-83499-input-output-iteration-ice.rs b/src/test/ui/mir/issue-83499-input-output-iteration-ice.rs
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+++ b/src/test/ui/mir/issue-83499-input-output-iteration-ice.rs
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+// Test that when in MIR the amount of local_decls and amount of normalized_input_tys don't match
+// that an out-of-bounds access does not occur.
+#![feature(c_variadic)]
+
+fn main() {}
+
+fn foo(_: Bar, ...) -> impl {}
+//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic
+//~| ERROR cannot find type `Bar` in this scope
+//~| ERROR at least one trait must be specified