[llvm] [mlir] Adjust LDBG output: surround DebugType between `[` and `]` (PR #150671)

[Jacques Pienaar via llvm-commits]

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@@ -38,8 +38,8 @@ class LogWithNewline {
                  raw_ostream &os)
       : os(os) {
     if (debug_type)
-      os << debug_type << " ";
-    os << "[" << file << ":" << line << "] ";
+      os << "[" << debug_type << "]";
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jpienaar wrote:

Nit: space after ] to make filename easier to see.

https://github.com/llvm/llvm-project/pull/150671