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| author | Harald Anlauf <anlauf@gmx.de> | 2021-03-08 21:59:20 +0100 |
|---|---|---|
| committer | Harald Anlauf <anlauf@gmx.de> | 2021-03-08 21:59:20 +0100 |
| commit | bd85b4dd2dd7b00b6342ed1e33fb48035a3dcb61 (patch) | |
| tree | 2dfdb6edd0b710d9faf0c2368dc6053d5a0a0d53 | |
| parent | f3daa6c0fd8d79ae45eac2dd0f274da1aa71c958 (diff) | |
| download | gcc-bd85b4dd2dd7b00b6342ed1e33fb48035a3dcb61.zip gcc-bd85b4dd2dd7b00b6342ed1e33fb48035a3dcb61.tar.gz gcc-bd85b4dd2dd7b00b6342ed1e33fb48035a3dcb61.tar.bz2 | |
PR fortran/49278 - ICE when combining DATA with default initialization
A variable with the PARAMETER attribute may not appear in a DATA statement.
gcc/fortran/ChangeLog:
PR fortran/49278
* data.c (gfc_assign_data_value): Reject variable with PARAMETER
attribute in DATA statement.
gcc/testsuite/ChangeLog:
PR fortran/49278
* gfortran.dg/parameter_data.f90: New test.
| -rw-r--r-- | gcc/fortran/data.c | 7 | ||||
| -rw-r--r-- | gcc/testsuite/gfortran.dg/parameter_data.f90 | 13 |
2 files changed, 20 insertions, 0 deletions
diff --git a/gcc/fortran/data.c b/gcc/fortran/data.c index 13e3506..25e9793 100644 --- a/gcc/fortran/data.c +++ b/gcc/fortran/data.c @@ -244,6 +244,13 @@ gfc_assign_data_value (gfc_expr *lvalue, gfc_expr *rvalue, mpz_t index, "array-element nor a scalar-structure-component"; symbol = lvalue->symtree->n.sym; + if (symbol->attr.flavor == FL_PARAMETER) + { + gfc_error ("PARAMETER %qs shall not appear in a DATA statement at %L", + symbol->name, &lvalue->where); + return false; + } + init = symbol->value; last_ts = &symbol->ts; last_con = NULL; diff --git a/gcc/testsuite/gfortran.dg/parameter_data.f90 b/gcc/testsuite/gfortran.dg/parameter_data.f90 new file mode 100644 index 0000000..b95f9c9 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/parameter_data.f90 @@ -0,0 +1,13 @@ +! { dg-do compile } +! PR fortran/49278 - ICE when combining DATA with default initialization + +program p + implicit none + type t + real :: a + end type t + integer, parameter :: b = 42 + type(t), parameter :: z = t(4.0) + data b / 666 / ! { dg-error "shall not appear in a DATA statement" } + data z%a / 3.0 / ! { dg-error "shall not appear in a DATA statement" } +end |