Rollup merge of #67543 - JohnTitor:regression-tests, r=Centril

Add regression tests for fixed ICEs

Closes #61747 (fixed from 1.41.0-nightly (4007d4ef2 2019-12-01))
Closes #66205 (fixed from 1.41.0-nightly (4007d4ef2 2019-12-01))
Closes #66270 (fixed by #66246)
Closes #67424 (fixed by #67160)

Also picking a minor nit up from #67071 with 101dd7bad9

r? @Centril

src/test/ui/pattern/issue-66270-pat-struct-parser-recovery.rs

@@ -0,0 +1,14 @@
+// Regression test for #66270, fixed by #66246
+
+struct Bug {
+    incorrect_field: 0,
+    //~^ ERROR expected type
+}
+
+struct Empty {}
+
+fn main() {
+    let Bug {
+        any_field: Empty {},
+    } = Bug {};
+}

src/test/ui/pattern/issue-66270-pat-struct-parser-recovery.stderr

@@ -0,0 +1,8 @@
+error: expected type, found `0`
+  --> $DIR/issue-66270-pat-struct-parser-recovery.rs:4:22
+   |
+LL |     incorrect_field: 0,
+   |                      ^ expected type
+
+error: aborting due to previous error
+