diff --git a/Fortran/cray/f2023/13/08/CMakeLists.txt b/Fortran/cray/f2023/13/08/CMakeLists.txt
new file mode 100644
index 000000000000..8b9f2da57c04
--- /dev/null
+++ b/Fortran/cray/f2023/13/08/CMakeLists.txt
@@ -0,0 +1,3 @@
+llvm_singlesource()
+
+file(COPY lit.local.cfg DESTINATION "${CMAKE_CURRENT_BINARY_DIR}")
diff --git a/Fortran/cray/f2023/13/08/leading_zero_format.f90 b/Fortran/cray/f2023/13/08/leading_zero_format.f90
new file mode 100644
index 000000000000..36862e4a8e4b
--- /dev/null
+++ b/Fortran/cray/f2023/13/08/leading_zero_format.f90
@@ -0,0 +1,102 @@
+! Execution tests for LZ, LZP, and LZS edit descriptors (Fortran 2023).
+! LZ  = processor-defined leading zero (flang prints the zero)
+! LZP = always print the optional leading zero
+! LZS = suppress the optional leading zero
+program leading_zero_format
+  implicit none
+  real :: val
+
+  ! === LZP tests (print leading zero) ===
+  ! F descriptor
+  write(*,'(A)') "LZP with F descriptor:"
+  write(*,'(LZP,F6.1)') 0.2
+  write(*,'(LZP,F10.3)') 0.2
+  write(*,'(LZP,F4.1)') 0.1
+
+  ! E descriptor
+  write(*,'(A)') "LZP with E descriptor:"
+  write(*,'(LZP,E10.3)') 0.2
+  write(*,'(LZP,E12.5)') 0.2
+
+  ! D descriptor
+  write(*,'(A)') "LZP with D descriptor:"
+  write(*,'(LZP,D10.3)') 0.2d0
+
+  ! G descriptor (F-path: value in range)
+  write(*,'(A)') "LZP with G descriptor (F-path):"
+  write(*,'(LZP,G10.3)') 0.2
+
+  ! G descriptor (E-path: value out of range)
+  write(*,'(A)') "LZP with G descriptor (E-path):"
+  write(*,'(LZP,G10.3)') 0.0002
+
+  ! === LZS tests (suppress leading zero) ===
+  ! F descriptor
+  write(*,'(A)') "LZS with F descriptor:"
+  write(*,'(LZS,F6.1)') 0.2
+  write(*,'(LZS,F10.3)') 0.2
+  write(*,'(LZS,F4.1)') 0.1
+
+  ! E descriptor
+  write(*,'(A)') "LZS with E descriptor:"
+  write(*,'(LZS,E10.3)') 0.2
+  write(*,'(LZS,E12.5)') 0.2
+
+  ! D descriptor
+  write(*,'(A)') "LZS with D descriptor:"
+  write(*,'(LZS,D10.3)') 0.2d0
+
+  ! G descriptor (F-path)
+  write(*,'(A)') "LZS with G descriptor (F-path):"
+  write(*,'(LZS,G10.3)') 0.2
+
+  ! G descriptor (E-path)
+  write(*,'(A)') "LZS with G descriptor (E-path):"
+  write(*,'(LZS,G10.3)') 0.0002
+
+  ! === LZ tests (processor-defined, flang prints the zero) ===
+  write(*,'(A)') "LZ with F descriptor:"
+  write(*,'(LZ,F6.1)') 0.2
+
+  ! === Negative values less than 1 ===
+  write(*,'(A)') "Negative values:"
+  write(*,'(LZP,F7.1)') -0.2
+  write(*,'(LZS,F7.1)') -0.2
+
+  ! === Values >= 1 (leading zero control has no effect) ===
+  write(*,'(A)') "Values >= 1 (no effect):"
+  write(*,'(LZP,F6.1)') 1.2
+  write(*,'(LZS,F6.1)') 1.2
+
+  ! === Zero value ===
+  write(*,'(A)') "Zero value:"
+  write(*,'(LZP,F6.1)') 0.0
+  write(*,'(LZS,F6.1)') 0.0
+
+  ! === Switching mid-format ===
+  write(*,'(A)') "Switch mid-format:"
+  write(*,'(LZP,F6.1,LZS,F6.1)') 0.5, 0.5
+
+  ! === With 1P scale factor (no effect on leading zero) ===
+  write(*,'(A)') "With 1P scale (no effect):"
+  write(*,'(LZP,1P,E10.3)') 0.2
+  write(*,'(LZS,1P,E10.3)') 0.2
+
+  ! === Without comma separator ===
+  write(*,'(A)') "Without comma separator:"
+  write(*,'(LZPF6.1)') 0.2
+  write(*,'(LZSF6.1)') 0.2
+
+  ! === Spaces between characters of the edit descriptors ===
+  write(*,'(A)') "Spaces in descriptors:"
+  write(*,'(L ZP,F6.1)') 0.2
+  write(*,'(L ZS,F6.1)') 0.2
+  write(*,'(LZ P,F6.1)') 0.2
+  write(*,'(LZ S,F6.1)') 0.2
+  write(*,'(L Z P,F6.1)') 0.2
+  write(*,'(L Z S,F6.1)') 0.2
+  write(*,'(L Z,F6.1)') 0.2
+  write(*,'(L  Z  P,F6.1)') 0.2
+  write(*,'(L  Z  S,F6.1)') 0.2
+
+end program leading_zero_format
diff --git a/Fortran/cray/f2023/13/08/leading_zero_format.reference_output b/Fortran/cray/f2023/13/08/leading_zero_format.reference_output
new file mode 100644
index 000000000000..2f3ffce435d7
--- /dev/null
+++ b/Fortran/cray/f2023/13/08/leading_zero_format.reference_output
@@ -0,0 +1,56 @@
+LZP with F descriptor:
+   0.2
+     0.200
+ 0.1
+LZP with E descriptor:
+ 0.200E+00
+ 0.20000E+00
+LZP with D descriptor:
+ 0.200D+00
+LZP with G descriptor (F-path):
+ 0.200    
+LZP with G descriptor (E-path):
+ 0.200E-03
+LZS with F descriptor:
+    .2
+      .200
+  .1
+LZS with E descriptor:
+  .200E+00
+  .20000E+00
+LZS with D descriptor:
+  .200D+00
+LZS with G descriptor (F-path):
+  .200    
+LZS with G descriptor (E-path):
+  .200E-03
+LZ with F descriptor:
+   0.2
+Negative values:
+   -0.2
+    -.2
+Values >= 1 (no effect):
+   1.2
+   1.2
+Zero value:
+   0.0
+    .0
+Switch mid-format:
+   0.5    .5
+With 1P scale (no effect):
+ 2.000E-01
+ 2.000E-01
+Without comma separator:
+   0.2
+    .2
+Spaces in descriptors:
+   0.2
+    .2
+   0.2
+    .2
+   0.2
+    .2
+   0.2
+   0.2
+    .2
+exit 0
diff --git a/Fortran/cray/f2023/13/08/lit.local.cfg b/Fortran/cray/f2023/13/08/lit.local.cfg
new file mode 100644
index 000000000000..116682026019
--- /dev/null
+++ b/Fortran/cray/f2023/13/08/lit.local.cfg
@@ -0,0 +1,2 @@
+config.traditional_output = True
+config.single_source = True
diff --git a/Fortran/cray/f2023/13/CMakeLists.txt b/Fortran/cray/f2023/13/CMakeLists.txt
new file mode 100644
index 000000000000..8050e62ab740
--- /dev/null
+++ b/Fortran/cray/f2023/13/CMakeLists.txt
@@ -0,0 +1 @@
+add_subdirectory(08)
diff --git a/Fortran/cray/f2023/CMakeLists.txt b/Fortran/cray/f2023/CMakeLists.txt
index b6d8f8cb532a..31b1d84c492b 100644
--- a/Fortran/cray/f2023/CMakeLists.txt
+++ b/Fortran/cray/f2023/CMakeLists.txt
@@ -1 +1,2 @@
+add_subdirectory(13)
 add_subdirectory(16)