/usr/src/gcc-7/debian/libasan.symbols.64 is in gcc-7-source 7.3.0-16ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | __interceptor_shmctl@Base 4.9
(arch=base-any-linux-amd64 base-any-linux-arm64 any-linux-mips64 any-linux-mips64el)__sanitizer_print_memory_profile@Base 7
_ZdaPvm@Base 5
_ZdaPvmSt11align_val_t@Base 7
_ZdlPvm@Base 5
_ZdlPvmSt11align_val_t@Base 7
_Znam@Base 4.8
_ZnamRKSt9nothrow_t@Base 4.8
_ZnamSt11align_val_t@Base 7
_ZnamSt11align_val_tRKSt9nothrow_t@Base 7
_Znwm@Base 4.8
_ZnwmRKSt9nothrow_t@Base 4.8
_ZnwmSt11align_val_t@Base 7
_ZnwmSt11align_val_tRKSt9nothrow_t@Base 7
shmctl@Base 4.9
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