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compiletest: support for newer lldb versions

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Newer lldb versions disable printing of persistent results by default,
but lots of rustc debuginfo tests rely on these being printed, so
re-enable this by defining an alias as suggested by the patch which
disabled persistent result printing in lldb.

Signed-off-by: David Wood <david@davidtw.co>
This commit is contained in:
David Wood 2023-08-24 09:54:18 +01:00
parent 41cb42a370
commit 3640f79034
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9
src/tools/compiletest/src/runtest.rs
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@ -1430,6 +1430,15 @@ impl<'test> TestCx<'test> {
"^core::num::([a-z_]+::)*NonZero.+$",
];
// In newer versions of lldb, persistent results (the `$N =` part at the start of
// expressions you have evaluated that let you re-use the result) aren't printed, but lots
// of rustc's debuginfo tests rely on these, so re-enable this.
// See <https://reviews.llvm.org/rG385496385476fc9735da5fa4acabc34654e8b30d>.
script_str.push_str("command unalias print\n");
script_str.push_str("command alias print expr --\n");
script_str.push_str("command unalias p\n");
script_str.push_str("command alias p expr --\n");
script_str
.push_str(&format!("command script import {}\n", &rust_pp_module_abs_path[..])[..]);
script_str.push_str("type synthetic add -l lldb_lookup.synthetic_lookup -x '.*' ");