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From: Harald Anlauf <anlauf@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-3260] Fortran: check types of operands of arithmetic binary operations [PR107217] Date: Wed, 12 Oct 2022 17:48:29 +0000 (GMT) [thread overview] Message-ID: <20221012174829.B15EE3858290@sourceware.org> (raw) https://gcc.gnu.org/g:7858368c3f3875f6bf634119e5731dc3c808a7c3 commit r13-3260-g7858368c3f3875f6bf634119e5731dc3c808a7c3 Author: Harald Anlauf <anlauf@gmx.de> Date: Tue Oct 11 22:08:48 2022 +0200 Fortran: check types of operands of arithmetic binary operations [PR107217] gcc/fortran/ChangeLog: PR fortran/107217 * arith.cc (gfc_arith_plus): Compare consistency of types of operands. (gfc_arith_minus): Likewise. (gfc_arith_times): Likewise. (gfc_arith_divide): Likewise. (arith_power): Check that both operands are of numeric type. gcc/testsuite/ChangeLog: PR fortran/107217 * gfortran.dg/pr107217.f90: New test. Diff: --- gcc/fortran/arith.cc | 15 +++++++++++++++ gcc/testsuite/gfortran.dg/pr107217.f90 | 18 ++++++++++++++++++ 2 files changed, 33 insertions(+) diff --git a/gcc/fortran/arith.cc b/gcc/fortran/arith.cc index 9e079e42995..14ba931e37f 100644 --- a/gcc/fortran/arith.cc +++ b/gcc/fortran/arith.cc @@ -624,6 +624,9 @@ gfc_arith_plus (gfc_expr *op1, gfc_expr *op2, gfc_expr **resultp) gfc_expr *result; arith rc; + if (op1->ts.type != op2->ts.type) + return ARITH_INVALID_TYPE; + result = gfc_get_constant_expr (op1->ts.type, op1->ts.kind, &op1->where); switch (op1->ts.type) @@ -658,6 +661,9 @@ gfc_arith_minus (gfc_expr *op1, gfc_expr *op2, gfc_expr **resultp) gfc_expr *result; arith rc; + if (op1->ts.type != op2->ts.type) + return ARITH_INVALID_TYPE; + result = gfc_get_constant_expr (op1->ts.type, op1->ts.kind, &op1->where); switch (op1->ts.type) @@ -692,6 +698,9 @@ gfc_arith_times (gfc_expr *op1, gfc_expr *op2, gfc_expr **resultp) gfc_expr *result; arith rc; + if (op1->ts.type != op2->ts.type) + return ARITH_INVALID_TYPE; + result = gfc_get_constant_expr (op1->ts.type, op1->ts.kind, &op1->where); switch (op1->ts.type) @@ -727,6 +736,9 @@ gfc_arith_divide (gfc_expr *op1, gfc_expr *op2, gfc_expr **resultp) gfc_expr *result; arith rc; + if (op1->ts.type != op2->ts.type) + return ARITH_INVALID_TYPE; + rc = ARITH_OK; result = gfc_get_constant_expr (op1->ts.type, op1->ts.kind, &op1->where); @@ -815,6 +827,9 @@ arith_power (gfc_expr *op1, gfc_expr *op2, gfc_expr **resultp) gfc_expr *result; arith rc; + if (!gfc_numeric_ts (&op1->ts) || !gfc_numeric_ts (&op2->ts)) + return ARITH_INVALID_TYPE; + rc = ARITH_OK; result = gfc_get_constant_expr (op1->ts.type, op1->ts.kind, &op1->where); diff --git a/gcc/testsuite/gfortran.dg/pr107217.f90 b/gcc/testsuite/gfortran.dg/pr107217.f90 new file mode 100644 index 00000000000..9c8492e64f0 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/pr107217.f90 @@ -0,0 +1,18 @@ +! { dg-do compile } +! PR fortran/107217 - ICE in gfc_arith_times +! Contributed by G.Steinmetz + +program p + print *, [real :: (['1'])] * 2 ! { dg-error "Cannot convert" } + print *, 2 * [real :: (['1'])] ! { dg-error "Cannot convert" } + print *, [real :: (['1'])] + 2 ! { dg-error "Cannot convert" } + print *, [real :: (['1'])] - 2 ! { dg-error "Cannot convert" } + print *, [real :: (['1'])] / 2 ! { dg-error "Cannot convert" } + print *, 1 / [real :: (['1'])] ! { dg-error "Cannot convert" } + print *, [real :: (['1'])] ** 2 ! { dg-error "Cannot convert" } + print *, 2 ** [real :: (['1'])] ! { dg-error "Cannot convert" } + print *, 2.0 ** [real :: (.true.)] ! { dg-error "Cannot convert" } + print *, [real :: (.true.)] ** 2.0 ! { dg-error "Cannot convert" } + print *, [complex :: (['1'])] ** (1.0,2.0) ! { dg-error "Cannot convert" } + print *, (1.0,2.0) ** [complex :: (['1'])] ! { dg-error "Cannot convert" } +end
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