https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61950
Bug ID: 61950 Summary: [4.10 regression] Many 64-bit fortran allocate tests FAIL Product: gcc Version: 4.10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: ro at gcc dot gnu.org CC: ebotcazou at gcc dot gnu.org, rguenth at gcc dot gnu.org Host: sparc-sun-solaris2.1[01] Target: sparc-sun-solaris2.1[01] Build: sparc-sun-solaris2.1[01] Between 20140718 (r212815) and 20140725 (r213049) many 64-bit gfortran tests started to FAIL on Solaris/SPARC, at -O1 and beyond only: FAIL: gfortran.dg/allocate_class_3.f90 -O1 execution test FAIL: gfortran.dg/allocate_class_3.f90 -O2 execution test FAIL: gfortran.dg/allocate_class_3.f90 -O3 -fomit-frame-pointer execution test FAIL: gfortran.dg/allocate_class_3.f90 -O3 -fomit-frame-pointer -funroll-loops execution test FAIL: gfortran.dg/allocate_class_3.f90 -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions execution test FAIL: gfortran.dg/allocate_class_3.f90 -O3 -g execution test FAIL: gfortran.dg/allocate_class_3.f90 -Os execution test FAIL: gfortran.dg/class_19.f03 -O1 execution test FAIL: gfortran.dg/class_19.f03 -O2 execution test FAIL: gfortran.dg/class_19.f03 -O3 -fomit-frame-pointer execution test FAIL: gfortran.dg/class_19.f03 -O3 -fomit-frame-pointer -funroll-loops execution test FAIL: gfortran.dg/class_19.f03 -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions execution test FAIL: gfortran.dg/class_19.f03 -O3 -g execution test FAIL: gfortran.dg/class_19.f03 -Os execution test and many more. A reghunt revealed the following patch as the culprit: 2014-07-25 Richard Biener <rguent...@suse.de> PR middle-end/61762 PR middle-end/61894 * fold-const.c (native_encode_int): Add and handle offset parameter to do partial encodings of expr. The first test e.g aborts here: #4 0x000000010000213c in MAIN__ () at /var/gcc/reghunt/trunk/gcc/testsuite/gfortran.dg/allocate_class_3.f90:76 76 if (any (x%i .ne. [1,2])) call abort Rainer