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Mir pretty print: Add cleanup comment #44919

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Merged
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Oct 1, 2017
Merged

Mir pretty print: Add cleanup comment #44919

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4 changes: 3 additions & 1 deletion src/librustc_mir/util/pretty.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -188,7 +188,9 @@ pub fn write_basic_block(tcx: TyCtxt,
let data = &mir[block];

// Basic block label at the top.
writeln!(w, "{}{:?}: {{", INDENT, block)?;
let cleanup_text = if data.is_cleanup { " // cleanup" } else { "" };
let lbl = format!("{}{:?}: {{", INDENT, block);
writeln!(w, "{0:1$}{2}", lbl, ALIGN, cleanup_text)?;

// List of statements in the middle.
let mut current_location = Location { block: block, statement_index: 0 };
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