summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gfortran.dg/bind_c_usage_18.f90
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/testsuite/gfortran.dg/bind_c_usage_18.f90')
-rw-r--r--gcc/testsuite/gfortran.dg/bind_c_usage_18.f9029
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/bind_c_usage_18.f90 b/gcc/testsuite/gfortran.dg/bind_c_usage_18.f90
new file mode 100644
index 000000000..2bce215af
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/bind_c_usage_18.f90
@@ -0,0 +1,29 @@
+! { dg-do compile }
+!
+! PR fortran/38160
+!
+
+subroutine foo(x,y,z,a) bind(c) ! { dg-warning "but may not be C interoperable" }
+ use iso_c_binding
+ implicit none
+ integer(4) :: x
+ integer(c_float) :: y ! { dg-warning "C kind type parameter is for type REAL" }
+ complex(c_float) :: z ! OK, c_float == c_float_complex
+ real(c_float_complex) :: a ! OK, c_float == c_float_complex
+end subroutine foo
+
+use iso_c_binding
+implicit none
+integer, parameter :: it = c_int
+integer, parameter :: dt = c_double
+complex(c_int), target :: z1 ! { dg-warning "C kind type parameter is for type INTEGER" }
+complex(it), target :: z2 ! { dg-warning "C kind type parameter is for type INTEGER" }
+complex(c_double), target :: z3 ! OK
+complex(dt), target :: z4 ! OK
+type(c_ptr) :: ptr
+
+ptr = c_loc(z1)
+ptr = c_loc(z2)
+ptr = c_loc(z3)
+ptr = c_loc(z4)
+end