Auto merge of #97500 - GuillaumeGomez:rollup-ms1bvps, r=GuillaumeGomez

Rollup of 5 pull requests

Successful merges:

 - #96950 (Add regression test for #96395)
 - #97028 (Add support for embedding pretty printers via `#[debugger_visualizer]` attribute)
 - #97478 (Remove FIXME on `ExtCtxt::fn_decl()`)
 - #97479 (Make some tests check-pass)
 - #97482 (ptr::invalid is not equivalent to a int2ptr cast)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

1 files changed, 23 insertions, 0 deletions

diff --git a/src/test/debuginfo/embedded-visualizer.py b/src/test/debuginfo/embedded-visualizer.py
new file mode 100644
index 00000000000..8e4fab61614
--- /dev/null
+++ b/src/test/debuginfo/embedded-visualizer.py
@@ -0,0 +1,23 @@
+import gdb
+
+class LinePrinter:
+    "Print a Line"
+
+    def __init__(self, val):
+        self.val = val
+        self.a = val["a"]
+        self.b = val["b"]
+
+    def to_string(self):
+        return "({}, {})".format(self.a, self.b)
+
+def lookup(val):
+    lookup_tag = val.type.tag
+    if lookup_tag is None:
+        return None
+    if "embedded_visualizer::Line" == lookup_tag:
+        return LinePrinter(val)
+
+    return None
+
+gdb.current_objfile().pretty_printers.append(lookup)