[flang] list-directed WRITE of zero-length CHARACTER fails to print leading blank

[kiranktp]

Leading blank is missing

Here is a small reproducer:

	Program test_listdirected_zerolength
	  Print *,'' ! a leading blank must be present in output
	End Program Test_listdirected_zerolength

[llvmbot]

@llvm/issue-subscribers-bug

Author: Kiran Kumar T P (kiranktp)

Leading blank is missing

Here is a small reproducer:

	Program test_listdirected_zerolength
	  Print *,'' ! a leading blank must be present in output
	End Program Test_listdirected_zerolength

[klausler]

#77835

[llvmbot]

@llvm/issue-subscribers-flang-runtime

Author: Kiran Kumar T P (kiranktp)

Leading blank is missing

Here is a small reproducer:

	Program test_listdirected_zerolength
	  Print *,'' ! a leading blank must be present in output
	End Program Test_listdirected_zerolength

[klausler]

Fix has been merged into llvm-project/main.