[flang] [llvm] [Flang] Add parser support for AUTOMAP modifier (PR #151511)

[Krzysztof Parzyszek via llvm-commits]

================
@@ -601,6 +604,13 @@ TYPE_PARSER(sourced(construct<OmpDependClause::TaskDep::Modifier>(sourced(
 TYPE_PARSER(
     sourced(construct<OmpDeviceClause::Modifier>(Parser<OmpDeviceModifier>{})))
 
+TYPE_PARSER(
+    sourced(construct<OmpEnterClause::Modifier>(Parser<OmpAutomapModifier>{})))
+
+TYPE_PARSER(construct<OmpEnterClause>(
+    maybe(nonemptyList(Parser<OmpEnterClause::Modifier>{}) / ":"),
+    Parser<OmpObjectList>{}))
+
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kparzysz wrote:

Nitpick:  This section is for modifiers only, the actual clause parsers are below.  Somebody has already added a couple of non-modifier parsers here, but the intent is to keep them separate.

https://github.com/llvm/llvm-project/pull/151511