================
@@ -246,15 +245,6 @@ void MachineFunction::init() {
     WinEHInfo = new (Allocator) WinEHFuncInfo();
   }
 
-  if (!Target.isCompatibleDataLayout(getDataLayout())) {
-    report_fatal_error(
-        formatv("Can't create a MachineFunction using a Module with a "
-                "Target-incompatible DataLayout attached\n  Target "
-                "DataLayout: {0}\n  Module DataLayout: {1}\n",
-                Target.createDataLayout().getStringRepresentation(),
-                getDataLayout().getStringRepresentation()));
----------------
aengelke wrote:

The module is first seen in the first pass of the codegen pipeline. Without any 
check whether the module has the correct data layout, there's no safe guard 
against users using a module with an invalid data layout; this check *did* 
catch such problems in practice.

https://github.com/llvm/llvm-project/pull/226407
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