Re-enable debuginfo tests that have been ignored

Most of these tests either ran perfectly once enabled or only needed a
small amount of tweaking to get passing or used ignore-test when
ignore-lldb would have been more appropriate.

With this change we go from 64 ignored tests to 50.

src/test/debuginfo/basic-types-globals-metadata.rs

@@ -1,5 +1,4 @@
 // min-lldb-version: 310
-// ignore-gdb // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155
 
 // compile-flags:-g
 // gdb-command:run
@@ -11,7 +10,7 @@
 // gdb-check:type = isize
 // gdbg-command:whatis 'basic_types_globals_metadata::C'
 // gdbr-command:whatis basic_types_globals_metadata::C
-// gdb-check:type = char
+// gdb-check:type = char32_t
 // gdbg-command:whatis 'basic_types_globals_metadata::I8'
 // gdbr-command:whatis basic_types_globals_metadata::I8
 // gdb-check:type = i8

src/test/debuginfo/c-style-enum.rs

@@ -1,5 +1,4 @@
 // ignore-aarch64
-// ignore-gdb // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155
 // min-lldb-version: 310
 
 // compile-flags:-g

src/test/debuginfo/cross-crate-spans.rs

@@ -5,7 +5,6 @@
 
 // This fails on lldb 6.0.1 on x86-64 Fedora 28; so mark it macOS-only
 // for now.
-// only-macos
 
 // aux-build:cross_crate_spans.rs
 extern crate cross_crate_spans;

src/test/debuginfo/destructured-for-loop-variable.rs

@@ -1,9 +1,5 @@
 // min-lldb-version: 310
 
-// This fails on lldb 6.0.1 on x86-64 Fedora 28; so mark it macOS-only
-// for now.
-// only-macos
-
 // compile-flags:-g
 
 // === GDB TESTS ===================================================================================

src/test/debuginfo/function-arg-initialization.rs

@@ -1,4 +1,4 @@
-// ignore-test // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155
+// ignore-lldb // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155
 // min-lldb-version: 310
 
 // This test case checks if function arguments already have the correct value

src/test/debuginfo/lexical-scopes-in-block-expression.rs

@@ -1,5 +1,4 @@
 // min-lldb-version: 310
-// ignore-gdb // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155
 
 // compile-flags:-g
 

src/test/debuginfo/limited-debuginfo.rs

@@ -1,5 +1,4 @@
 // ignore-lldb
-// ignore-gdb // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155
 
 // compile-flags:-C debuginfo=1
 

src/test/debuginfo/method-on-enum.rs

@@ -1,5 +1,5 @@
 // min-lldb-version: 310
-// ignore-test // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155
+// ignore-lldb // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155
 
 // compile-flags:-g
 

src/test/debuginfo/simple-struct.rs

@@ -1,5 +1,4 @@
 // min-lldb-version: 310
-// ignore-gdb // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155
 
 // compile-flags:-g
 

src/test/debuginfo/simple-tuple.rs

@@ -1,5 +1,4 @@
 // min-lldb-version: 310
-// ignore-gdb // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155
 
 // compile-flags:-g
 

src/test/debuginfo/union-smoke.rs

@@ -1,5 +1,4 @@
 // min-lldb-version: 310
-// ignore-gdb // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155
 
 // ignore-gdb-version: 7.11.90 - 7.12.9
 

src/test/debuginfo/vec.rs

@@ -1,5 +1,4 @@
 // min-lldb-version: 310
-// ignore-gdb // Test temporarily ignored due to debuginfo tests being disabled, see PR 47155
 
 // compile-flags:-g