https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103061
Bug ID: 103061
Summary: [12 Regression] 527.cam4_r miscompiled with -O2
-march=znver1 since r12-4790-g4b3a325f07acebf4
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: wrong-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: aldyh at gcc dot gnu.org
Target Milestone: ---
Since the revision, the benchmark fails:
527.cam4_r: copy 0 non-zero return code (exit code=139, signal=0)
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Contents of cam4_r_peak.gcc-m64.err
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Program received signal SIGSEGV: Segmentation fault - invalid memory reference.
Backtrace for this error:
#0 0x7ffff79e279f in ???
at
/usr/src/debug/glibc-2.34-2.1.x86_64/signal/../sysdeps/unix/sysv/linux/x86_64/libc_sigaction.c:0
#1 0x4cb5a4 in merge_
at
/home/marxin/Programming/cpu2017/benchspec/CPU/527.cam4_r/build/build_peak_gcc-m64.0001/m_MergeSorts.fppized.f90:586
#2 0x4cb5a4 in mergesort_
at
/home/marxin/Programming/cpu2017/benchspec/CPU/527.cam4_r/build/build_peak_gcc-m64.0001/m_MergeSorts.fppized.f90:562
#3 0x4cb5a4 in __m_mergesorts_MOD_dsort_
at
/home/marxin/Programming/cpu2017/benchspec/CPU/527.cam4_r/build/build_peak_gcc-m64.0001/m_MergeSorts.fppized.f90:543
#4 0x4cbee2 in __m_mergesorts_MOD_dsortn_
at
/home/marxin/Programming/cpu2017/benchspec/CPU/527.cam4_r/build/build_peak_gcc-m64.0001/m_MergeSorts.fppized.f90:225
#5 0x4d2cb3 in __phys_grid_MOD_phys_grid_init
at
/home/marxin/Programming/cpu2017/benchspec/CPU/527.cam4_r/build/build_peak_gcc-m64.0001/phys_grid.fppized.f90:399
#6 0x75af58 in __inital_MOD_cam_initial
at
/home/marxin/Programming/cpu2017/benchspec/CPU/527.cam4_r/build/build_peak_gcc-m64.0001/inital.fppized.f90:98
#7 0x7892e2 in __cam_comp_MOD_cam_init
at
/home/marxin/Programming/cpu2017/benchspec/CPU/527.cam4_r/build/build_peak_gcc-m64.0001/cam_comp.fppized.f90:130
#8 0x7a4a2c in __atm_comp_mct_MOD_atm_init_mct
at
/home/marxin/Programming/cpu2017/benchspec/CPU/527.cam4_r/build/build_peak_gcc-m64.0001/atm_comp_mct.fppized.f90:263
#9 0x7ea59d in __ccsm_comp_mod_MOD_ccsm_init
at
/home/marxin/Programming/cpu2017/benchspec/CPU/527.cam4_r/build/build_peak_gcc-m64.0001/ccsm_comp_mod.fppized.f90:928
#10 0x40379c in ccsm_driver
at
/home/marxin/Programming/cpu2017/benchspec/CPU/527.cam4_r/build/build_peak_gcc-m64.0001/ccsm_driver.fppized.f90:57
#11 0x40379c in main
at
/home/marxin/Programming/cpu2017/benchspec/CPU/527.cam4_r/build/build_peak_gcc-m64.0001/ccsm_driver.fppized.f90:25
