boolean hasNoReturn() {
		if (isFowardEntry() && purge == -1) {
			processForwardedEntry();
		}

		if (purge == -2) {
			purge = -1;
		}

		return noReturn;
	}
Returns the No-Return value of the function related
to this exported symbol.

-2 purge value is used to prevent infinite loops in recursion.

@return the No-Return value of the function
Ghidra/Features/Base/src/main/java/ghidra/app/util/opinion/LibraryExportedSymbol.java