diff --git a/gcc/testsuite/gfortran.dg/pr120191_2.f90 b/gcc/testsuite/gfortran.dg/pr120191_2.f90
new file mode 100644
index 000000000000..6334286861ba
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr120191_2.f90
@@ -0,0 +1,84 @@
+! PR fortran/120191
+! { dg-do run }
+
+  character(kind=1, len=2) :: a(4, 4, 4), b(4)
+  logical :: l(4, 4, 4), m, n(4)
+  a = 'aa'
+  b = 'aa'
+  l = .true.
+  m = .true.
+  n = .true.
+  if (any (maxloc (a) .ne. 1)) stop 1
+  if (any (maxloc (a, dim=1) .ne. 1)) stop 2
+  if (any (maxloc (a, 1) .ne. 1)) stop 3
+  if (any (maxloc (a, dim=1, mask=l, kind=4, back=.false.) .ne. 1)) stop 4
+  if (any (maxloc (a, 1, l, 4, .false.) .ne. 1)) stop 5
+  if (any (maxloc (a, dim=1, mask=m, kind=4, back=.false.) .ne. 1)) stop 6
+  if (any (maxloc (a, 1, m, 4, .false.) .ne. 1)) stop 7
+  if (any (maxloc (a, dim=1, mask=l, kind=4, back=.true.) .ne. 4)) stop 8
+  if (any (maxloc (a, 1, l, 4, .true.) .ne. 4)) stop 9
+  if (any (maxloc (a, dim=1, mask=m, kind=4, back=.true.) .ne. 4)) stop 10
+  if (any (maxloc (a, 1, m, 4, .true.) .ne. 4)) stop 11
+  if (any (maxloc (b) .ne. 1)) stop 12
+  if (maxloc (b, dim=1) .ne. 1) stop 13
+  if (maxloc (b, 1) .ne. 1) stop 14
+  if (maxloc (b, dim=1, mask=n, kind=4, back=.false.) .ne. 1) stop 15
+  if (maxloc (b, 1, n, 4, .false.) .ne. 1) stop 16
+  if (maxloc (b, dim=1, mask=m, kind=4, back=.false.) .ne. 1) stop 17
+  if (maxloc (b, 1, m, 4, .false.) .ne. 1) stop 18
+  if (maxloc (b, dim=1, mask=n, kind=4, back=.true.) .ne. 4) stop 19
+  if (maxloc (b, 1, n, 4, .true.) .ne. 4) stop 20
+  if (maxloc (b, dim=1, mask=m, kind=4, back=.true.) .ne. 4) stop 21
+  if (maxloc (b, 1, m, 4, .true.) .ne. 4) stop 22
+  l = .false.
+  m = .false.
+  n = .false.
+  if (any (maxloc (a, dim=1, mask=l, kind=4, back=.false.) .ne. 0)) stop 23
+  if (any (maxloc (a, 1, l, 4, .false.) .ne. 0)) stop 24
+  if (maxloc (b, dim=1, mask=n, kind=4, back=.false.) .ne. 0) stop 25
+  if (maxloc (b, 1, n, 4, .false.) .ne. 0) stop 26
+  if (maxloc (b, dim=1, mask=m, kind=4, back=.false.) .ne. 0) stop 27
+  if (maxloc (b, 1, m, 4, .false.) .ne. 0) stop 28
+  if (maxloc (b, dim=1, mask=n, kind=4, back=.true.) .ne. 0) stop 29
+  if (maxloc (b, 1, n, 4, .true.) .ne. 0) stop 30
+  if (maxloc (b, dim=1, mask=m, kind=4, back=.true.) .ne. 0) stop 31
+  if (maxloc (b, 1, m, 4, .true.) .ne. 0) stop 32
+  l = .true.
+  m = .true.
+  n = .true.
+  if (any (minloc (a) .ne. 1)) stop 1
+  if (any (minloc (a, dim=1) .ne. 1)) stop 2
+  if (any (minloc (a, 1) .ne. 1)) stop 3
+  if (any (minloc (a, dim=1, mask=l, kind=4, back=.false.) .ne. 1)) stop 4
+  if (any (minloc (a, 1, l, 4, .false.) .ne. 1)) stop 5
+  if (any (minloc (a, dim=1, mask=m, kind=4, back=.false.) .ne. 1)) stop 6
+  if (any (minloc (a, 1, m, 4, .false.) .ne. 1)) stop 7
+  if (any (minloc (a, dim=1, mask=l, kind=4, back=.true.) .ne. 4)) stop 8
+  if (any (minloc (a, 1, l, 4, .true.) .ne. 4)) stop 9
+  if (any (minloc (a, dim=1, mask=m, kind=4, back=.true.) .ne. 4)) stop 10
+  if (any (minloc (a, 1, m, 4, .true.) .ne. 4)) stop 11
+  if (any (minloc (b) .ne. 1)) stop 12
+  if (minloc (b, dim=1) .ne. 1) stop 13
+  if (minloc (b, 1) .ne. 1) stop 14
+  if (minloc (b, dim=1, mask=n, kind=4, back=.false.) .ne. 1) stop 15
+  if (minloc (b, 1, n, 4, .false.) .ne. 1) stop 16
+  if (minloc (b, dim=1, mask=m, kind=4, back=.false.) .ne. 1) stop 17
+  if (minloc (b, 1, m, 4, .false.) .ne. 1) stop 18
+  if (minloc (b, dim=1, mask=n, kind=4, back=.true.) .ne. 4) stop 19
+  if (minloc (b, 1, n, 4, .true.) .ne. 4) stop 20
+  if (minloc (b, dim=1, mask=m, kind=4, back=.true.) .ne. 4) stop 21
+  if (minloc (b, 1, m, 4, .true.) .ne. 4) stop 22
+  l = .false.
+  m = .false.
+  n = .false.
+  if (any (minloc (a, dim=1, mask=l, kind=4, back=.false.) .ne. 0)) stop 23
+  if (any (minloc (a, 1, l, 4, .false.) .ne. 0)) stop 24
+  if (minloc (b, dim=1, mask=n, kind=4, back=.false.) .ne. 0) stop 25
+  if (minloc (b, 1, n, 4, .false.) .ne. 0) stop 26
+  if (minloc (b, dim=1, mask=m, kind=4, back=.false.) .ne. 0) stop 27
+  if (minloc (b, 1, m, 4, .false.) .ne. 0) stop 28
+  if (minloc (b, dim=1, mask=n, kind=4, back=.true.) .ne. 0) stop 29
+  if (minloc (b, 1, n, 4, .true.) .ne. 0) stop 30
+  if (minloc (b, dim=1, mask=m, kind=4, back=.true.) .ne. 0) stop 31
+  if (minloc (b, 1, m, 4, .true.) .ne. 0) stop 32
+end
diff --git a/libgfortran/generated/maxloc2_16_s1.c b/libgfortran/generated/maxloc2_16_s1.c
index 29c44cc3d2f4..1ce8d1a18fa6 100644
--- a/libgfortran/generated/maxloc2_16_s1.c
+++ b/libgfortran/generated/maxloc2_16_s1.c
@@ -152,8 +152,8 @@ GFC_INTEGER_16
 smaxloc2_16_s1 (gfc_array_s1 * const restrict array,
 				 GFC_LOGICAL_4 *mask, GFC_LOGICAL_4 back, gfc_charlen_type len)
 {
-  if (mask)
-    return maxloc2_16_s1 (array, len, back);
+  if (mask == NULL || *mask)
+    return maxloc2_16_s1 (array, back, len);
   else
     return 0;
 }
diff --git a/libgfortran/generated/maxloc2_16_s4.c b/libgfortran/generated/maxloc2_16_s4.c
index 0bbc4d9b6a0b..850be782103f 100644
--- a/libgfortran/generated/maxloc2_16_s4.c
+++ b/libgfortran/generated/maxloc2_16_s4.c
@@ -152,8 +152,8 @@ GFC_INTEGER_16
 smaxloc2_16_s4 (gfc_array_s4 * const restrict array,
 				 GFC_LOGICAL_4 *mask, GFC_LOGICAL_4 back, gfc_charlen_type len)
 {
-  if (mask)
-    return maxloc2_16_s4 (array, len, back);
+  if (mask == NULL || *mask)
+    return maxloc2_16_s4 (array, back, len);
   else
     return 0;
 }
diff --git a/libgfortran/generated/maxloc2_4_s1.c b/libgfortran/generated/maxloc2_4_s1.c
index ed12d83bbe0a..9cc821fdc8a1 100644
--- a/libgfortran/generated/maxloc2_4_s1.c
+++ b/libgfortran/generated/maxloc2_4_s1.c
@@ -152,8 +152,8 @@ GFC_INTEGER_4
 smaxloc2_4_s1 (gfc_array_s1 * const restrict array,
 				 GFC_LOGICAL_4 *mask, GFC_LOGICAL_4 back, gfc_charlen_type len)
 {
-  if (mask)
-    return maxloc2_4_s1 (array, len, back);
+  if (mask == NULL || *mask)
+    return maxloc2_4_s1 (array, back, len);
   else
     return 0;
 }
diff --git a/libgfortran/generated/maxloc2_4_s4.c b/libgfortran/generated/maxloc2_4_s4.c
index 8bab7a6cd0d9..aa2dd4f9d36c 100644
--- a/libgfortran/generated/maxloc2_4_s4.c
+++ b/libgfortran/generated/maxloc2_4_s4.c
@@ -152,8 +152,8 @@ GFC_INTEGER_4
 smaxloc2_4_s4 (gfc_array_s4 * const restrict array,
 				 GFC_LOGICAL_4 *mask, GFC_LOGICAL_4 back, gfc_charlen_type len)
 {
-  if (mask)
-    return maxloc2_4_s4 (array, len, back);
+  if (mask == NULL || *mask)
+    return maxloc2_4_s4 (array, back, len);
   else
     return 0;
 }
diff --git a/libgfortran/generated/maxloc2_8_s1.c b/libgfortran/generated/maxloc2_8_s1.c
index 65e561b18207..c49a79319046 100644
--- a/libgfortran/generated/maxloc2_8_s1.c
+++ b/libgfortran/generated/maxloc2_8_s1.c
@@ -152,8 +152,8 @@ GFC_INTEGER_8
 smaxloc2_8_s1 (gfc_array_s1 * const restrict array,
 				 GFC_LOGICAL_4 *mask, GFC_LOGICAL_4 back, gfc_charlen_type len)
 {
-  if (mask)
-    return maxloc2_8_s1 (array, len, back);
+  if (mask == NULL || *mask)
+    return maxloc2_8_s1 (array, back, len);
   else
     return 0;
 }
diff --git a/libgfortran/generated/maxloc2_8_s4.c b/libgfortran/generated/maxloc2_8_s4.c
index 8a9525fed656..ca9aa23cae1e 100644
--- a/libgfortran/generated/maxloc2_8_s4.c
+++ b/libgfortran/generated/maxloc2_8_s4.c
@@ -152,8 +152,8 @@ GFC_INTEGER_8
 smaxloc2_8_s4 (gfc_array_s4 * const restrict array,
 				 GFC_LOGICAL_4 *mask, GFC_LOGICAL_4 back, gfc_charlen_type len)
 {
-  if (mask)
-    return maxloc2_8_s4 (array, len, back);
+  if (mask == NULL || *mask)
+    return maxloc2_8_s4 (array, back, len);
   else
     return 0;
 }
diff --git a/libgfortran/generated/minloc2_16_s1.c b/libgfortran/generated/minloc2_16_s1.c
index 382a3c81c65c..2e0a48708002 100644
--- a/libgfortran/generated/minloc2_16_s1.c
+++ b/libgfortran/generated/minloc2_16_s1.c
@@ -154,8 +154,8 @@ GFC_INTEGER_16
 sminloc2_16_s1 (gfc_array_s1 * const restrict array,
 				 GFC_LOGICAL_4 *mask, GFC_LOGICAL_4 back, gfc_charlen_type len)
 {
-  if (mask)
-    return minloc2_16_s1 (array, len, back);
+  if (mask == NULL || *mask)
+    return minloc2_16_s1 (array, back, len);
   else
     return 0;
 }
diff --git a/libgfortran/generated/minloc2_16_s4.c b/libgfortran/generated/minloc2_16_s4.c
index 1d5d8344e9e5..459d22d0d467 100644
--- a/libgfortran/generated/minloc2_16_s4.c
+++ b/libgfortran/generated/minloc2_16_s4.c
@@ -154,8 +154,8 @@ GFC_INTEGER_16
 sminloc2_16_s4 (gfc_array_s4 * const restrict array,
 				 GFC_LOGICAL_4 *mask, GFC_LOGICAL_4 back, gfc_charlen_type len)
 {
-  if (mask)
-    return minloc2_16_s4 (array, len, back);
+  if (mask == NULL || *mask)
+    return minloc2_16_s4 (array, back, len);
   else
     return 0;
 }
diff --git a/libgfortran/generated/minloc2_4_s1.c b/libgfortran/generated/minloc2_4_s1.c
index 041dc4cd59ac..5f1bdac27394 100644
--- a/libgfortran/generated/minloc2_4_s1.c
+++ b/libgfortran/generated/minloc2_4_s1.c
@@ -154,8 +154,8 @@ GFC_INTEGER_4
 sminloc2_4_s1 (gfc_array_s1 * const restrict array,
 				 GFC_LOGICAL_4 *mask, GFC_LOGICAL_4 back, gfc_charlen_type len)
 {
-  if (mask)
-    return minloc2_4_s1 (array, len, back);
+  if (mask == NULL || *mask)
+    return minloc2_4_s1 (array, back, len);
   else
     return 0;
 }
diff --git a/libgfortran/generated/minloc2_4_s4.c b/libgfortran/generated/minloc2_4_s4.c
index 32dfa74a6727..4f18a0321345 100644
--- a/libgfortran/generated/minloc2_4_s4.c
+++ b/libgfortran/generated/minloc2_4_s4.c
@@ -154,8 +154,8 @@ GFC_INTEGER_4
 sminloc2_4_s4 (gfc_array_s4 * const restrict array,
 				 GFC_LOGICAL_4 *mask, GFC_LOGICAL_4 back, gfc_charlen_type len)
 {
-  if (mask)
-    return minloc2_4_s4 (array, len, back);
+  if (mask == NULL || *mask)
+    return minloc2_4_s4 (array, back, len);
   else
     return 0;
 }
diff --git a/libgfortran/generated/minloc2_8_s1.c b/libgfortran/generated/minloc2_8_s1.c
index 5b8851664b11..11974fe38ae3 100644
--- a/libgfortran/generated/minloc2_8_s1.c
+++ b/libgfortran/generated/minloc2_8_s1.c
@@ -154,8 +154,8 @@ GFC_INTEGER_8
 sminloc2_8_s1 (gfc_array_s1 * const restrict array,
 				 GFC_LOGICAL_4 *mask, GFC_LOGICAL_4 back, gfc_charlen_type len)
 {
-  if (mask)
-    return minloc2_8_s1 (array, len, back);
+  if (mask == NULL || *mask)
+    return minloc2_8_s1 (array, back, len);
   else
     return 0;
 }
diff --git a/libgfortran/generated/minloc2_8_s4.c b/libgfortran/generated/minloc2_8_s4.c
index 207060caa26a..7994b7b3794e 100644
--- a/libgfortran/generated/minloc2_8_s4.c
+++ b/libgfortran/generated/minloc2_8_s4.c
@@ -154,8 +154,8 @@ GFC_INTEGER_8
 sminloc2_8_s4 (gfc_array_s4 * const restrict array,
 				 GFC_LOGICAL_4 *mask, GFC_LOGICAL_4 back, gfc_charlen_type len)
 {
-  if (mask)
-    return minloc2_8_s4 (array, len, back);
+  if (mask == NULL || *mask)
+    return minloc2_8_s4 (array, back, len);
   else
     return 0;
 }
diff --git a/libgfortran/m4/maxloc2s.m4 b/libgfortran/m4/maxloc2s.m4
index ca33cc06c5ed..9afb03dacb65 100644
--- a/libgfortran/m4/maxloc2s.m4
+++ b/libgfortran/m4/maxloc2s.m4
@@ -153,8 +153,8 @@ export_proto(s'name`'rtype_qual`_'atype_code`);
 s'name`'rtype_qual`_'atype_code` ('atype` * const restrict array,
 				 GFC_LOGICAL_4 *mask'back_arg`, gfc_charlen_type len)
 {
-  if (mask)
-    return 'name`'rtype_qual`_'atype_code` (array, len, back);
+  if (mask == NULL || *mask)
+    return 'name`'rtype_qual`_'atype_code` (array, back, len);
   else
     return 0;
 }
diff --git a/libgfortran/m4/minloc2s.m4 b/libgfortran/m4/minloc2s.m4
index db8507b52bd3..5456259cf15d 100644
--- a/libgfortran/m4/minloc2s.m4
+++ b/libgfortran/m4/minloc2s.m4
@@ -155,8 +155,8 @@ export_proto(s'name`'rtype_qual`_'atype_code`);
 s'name`'rtype_qual`_'atype_code` ('atype` * const restrict array,
 				 GFC_LOGICAL_4 *mask'back_arg`, gfc_charlen_type len)
 {
-  if (mask)
-    return 'name`'rtype_qual`_'atype_code` (array, len, back);
+  if (mask == NULL || *mask)
+    return 'name`'rtype_qual`_'atype_code` (array, back, len);
   else
     return 0;
 }