Paper over some more issues

Author: saethlin

tests/debuginfo/by-value-non-immediate-argument.rs

@@ -1,3 +1,10 @@
+// The gdb that we use in CI for aarch64-unknown-linux-gnu and x86_64-pc-windows-gnu seems unable
+// to handle by-value non-immediate arguments, which is the whole point of this test.
+// gdb on those platforms (or the version we test) just prints <optimized out> for structs/tuples
+// and attempts to read memory at 0x0 for enums.
+//@ ignore-aarch64
+//@ ignore-windows-gnu
+
 //@ min-lldb-version: 1800
 //@ compile-flags:-g
 

tests/debuginfo/pretty-std-collections.rs

@@ -1,6 +1,7 @@
 //@ ignore-windows failing on win32 bot
 //@ ignore-freebsd: gdb package too new
 //@ ignore-android: FIXME(#10381)
+//@ ignore-windows-gnu: pretty printers aren't loaded
 //@ compile-flags:-g
 
 // The pretty printers being tested here require the patch from

tests/debuginfo/pretty-std.rs

@@ -1,5 +1,6 @@
 // ignore-tidy-linelength
 //@ ignore-freebsd: gdb package too new
+//@ ignore-windows-gnu: pretty-printers are not loaded
 //@ ignore-android: FIXME(#10381)
 //@ compile-flags:-g
 //@ min-gdb-version: 7.7