diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c954cf6595..936fd61788 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -295,8 +295,8 @@ jobs:
     # Test debug (DWARF) related functionality on new backend.
     - run: |
         sudo apt-get update && sudo apt-get install -y gdb
-        cargo test --features experimental_x64 test_debug_dwarf -- --ignored --test-threads 1
-      if: matrix.target == 'x86_64-unknown-linux-gnu'
+        cargo test --features experimental_x64 test_debug_dwarf -- --ignored --test-threads 1 --test debug::
+      if: matrix.os == 'ubuntu-latest'
       env:
         RUST_BACKTRACE: 1
 
diff --git a/tests/all/debug/lldb.rs b/tests/all/debug/lldb.rs
index c29e757b31..7807732700 100644
--- a/tests/all/debug/lldb.rs
+++ b/tests/all/debug/lldb.rs
@@ -137,7 +137,11 @@ check: exited with status
 #[ignore]
 #[cfg(all(
     any(target_os = "linux", target_os = "macos"),
-    target_pointer_width = "64"
+    target_pointer_width = "64",
+    // Ignore test on new backend. The value this is looking for is
+    // not available at the point that the breakpoint is set when
+    // compiled by the new backend.
+    not(feature = "experimental_x64"),
 ))]
 pub fn test_debug_dwarf_ptr() -> Result<()> {
     let output = lldb_with_script(
diff --git a/tests/all/debug/translate.rs b/tests/all/debug/translate.rs
index e8ceb7bd9e..7253989d57 100644
--- a/tests/all/debug/translate.rs
+++ b/tests/all/debug/translate.rs
@@ -114,7 +114,11 @@ check:        DW_AT_decl_line	(10)
 #[cfg(all(
     any(target_os = "linux", target_os = "macos"),
     target_arch = "x86_64",
-    target_pointer_width = "64"
+    target_pointer_width = "64",
+    // Ignore test on new backend. This is a specific test with hardcoded
+    // offsets and the new backend compiles the return basic-block at a different
+    // offset, causing mismatches.
+    not(feature = "experimental_x64"),
 ))]
 fn test_debug_dwarf5_translate_lines() -> Result<()> {
     check_line_program(