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The test cases for issue 41731 are about infinite macro recursion that incorporates `print!` and `println!`. However, they also included trailing semicolons despite expanding to expressions; that isn't what these particular test cases are designed to test. Eliminate the trailing semicolons, to simplify future work on removing this special case. Every *other* macro that expands to a semicolon in an expression is a test case for that specifically.
16 lines
341 B
Rust
16 lines
341 B
Rust
//@ compile-flags: -Z trace-macros
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#![recursion_limit = "5"]
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fn main() {
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macro_rules! stack {
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($overflow:expr) => {
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println!(stack!($overflow))
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//~^ ERROR recursion limit reached while expanding
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//~| ERROR format argument must be a string literal
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};
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}
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stack!("overflow");
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}
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