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Diffstat (limited to 'gcc/testsuite/gfortran.dg/derived_recursion.f90')
-rw-r--r-- | gcc/testsuite/gfortran.dg/derived_recursion.f90 | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/derived_recursion.f90 b/gcc/testsuite/gfortran.dg/derived_recursion.f90 new file mode 100644 index 000000000..d0c0ea8d4 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/derived_recursion.f90 @@ -0,0 +1,26 @@ +! { dg-do compile } +! { dg-options "-O0" } +! Tests patch for PR24158 - The module would compile, in spite +! of the recursion between the derived types. This would cause +! an ICE in the commented out main program. The standard demands +! that derived type components be already defined, to break +! recursive derived type definitions. +! +! Contributed by Paul Thomas <pault@gcc.gnu.org> +! +module snafu + type :: a + integer :: v + type(b) :: i ! { dg-error "not been previously defined" } + end type a + type :: b + type(a) :: i + end type b + type (a) :: foo +end module snafu + +! use snafu +! foo%v = 1 +! end + +! { dg-final { cleanup-modules "snafu" } } |