Auto merge of #69833 - Centril:rollup-mh74yue, r=Centril

Rollup of 7 pull requests

Successful merges:

 - #69120 (Don't give invalid suggestion on desugared span.)
 - #69326 (mir-interpret: add method to read wide strings from Memory)
 - #69608 (Expose target libdir information via print command)
 - #69734 (Change DIBuilderCreateEnumerator signature to match LLVM 9)
 - #69800 (Compile address sanitizer test with debuginfo)
 - #69807 (Cleanup E0391 explanation)
 - #69820 (clean up E0392 explanation)

Failed merges:

r? @ghost

1 files changed, 27 insertions, 0 deletions

diff --git a/src/test/codegen/enum-discriminant-value.rs b/src/test/codegen/enum-discriminant-value.rs
new file mode 100644
index 00000000000..f9da987765f
--- /dev/null
+++ b/src/test/codegen/enum-discriminant-value.rs
@@ -0,0 +1,27 @@
+// Verify that DIEnumerator uses isUnsigned flag when appropriate.
+//
+// compile-flags: -g -C no-prepopulate-passes
+
+#[repr(i64)]
+pub enum I64 {
+    I64Min = std::i64::MIN,
+    I64Max = std::i64::MAX,
+}
+
+#[repr(u64)]
+pub enum U64 {
+    U64Min = std::u64::MIN,
+    U64Max = std::u64::MAX,
+}
+
+fn main() {
+    let _a = I64::I64Min;
+    let _b = I64::I64Max;
+    let _c = U64::U64Min;
+    let _d = U64::U64Max;
+}
+
+// CHECK: !DIEnumerator(name: "I64Min", value: -9223372036854775808)
+// CHECK: !DIEnumerator(name: "I64Max", value: 9223372036854775807)
+// CHECK: !DIEnumerator(name: "U64Min", value: 0, isUnsigned: true)
+// CHECK: !DIEnumerator(name: "U64Max", value: 18446744073709551615, isUnsigned: true)