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from 2d9a9488e26 Fix SSA corruption due to widening_mul opt on conflict acro [...] new 0dd82c0fba6 Fortran: set shape of initializers of zero-sized arrays [PR [...] new ec8303dea72 Fortran: error recovery on arithmetic overflow on unary ope [...] new 2808797fc4d Fortran: error recovery while simplifying expressions [PR10 [...]

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Summary of changes: gcc/fortran/arith.cc | 127 +++++++++++++++------ gcc/fortran/decl.cc | 3 +- .../gfortran.dg/arithmetic_overflow_2.f90 | 12 ++ .../gfortran.dg/arithmetic_overflow_3.f90 | 48 ++++++++ gcc/testsuite/gfortran.dg/zero_sized_13.f90 | 28 +++++ 5 files changed, 182 insertions(+), 36 deletions(-) create mode 100644 gcc/testsuite/gfortran.dg/arithmetic_overflow_2.f90 create mode 100644 gcc/testsuite/gfortran.dg/arithmetic_overflow_3.f90 create mode 100644 gcc/testsuite/gfortran.dg/zero_sized_13.f90