[flang-commits] [clang] [flang] [flang][semantics] Add a flag to relax some of the semantic constraints on C_LOC (PR #195112)

[Eugene Epshteyn via flang-commits]

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@@ -527,6 +527,12 @@ end program
 * Default exponent of zero, e.g. `3.14159E`, on a READ from a
   fixed-width input field.  Includes the case with only an
   exponent letter for compatibility with other compilers.
+* Relax some restrictions to make `C_LOC` more like `LOC` for
+  compatibility with legacy code that should be fixed. This is
+  is unsafe and can be used to create aliases that the compiler
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eugeneepshteyn wrote:

Typo: "is is unsafe"

https://github.com/llvm/llvm-project/pull/195112