[clang] [flang] [flang][clang] Add support for -finit-logical in Flang (PR #150939)

[Tarun Prabhu via cfe-commits]

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@@ -74,5 +74,11 @@ ENUM_LOWERINGOPT(SkipExternalRttiDefinition, unsigned, 1, 0)
 /// If false, lower to the complex dialect of MLIR.
 /// On by default.
 ENUM_LOWERINGOPT(ComplexDivisionToRuntime, unsigned, 1, 1)
+
+/// Initialization for logical type
+/// 	-1  : No initialization
+///	 0  : Initialized to .FALSE.
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tarunprabhu wrote:

NIT: Perhaps align the colons.

https://github.com/llvm/llvm-project/pull/150939