[Bug lto/94157] [10 Regression] error: lto-wrapper failed with -Wa,--noexecstack -Wa,--noexecstack since r10-6807-gf1a681a174cdfb82

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94157

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[10 Regression] error:      |[10 Regression] error:
                   |lto-wrapper failed with     |lto-wrapper failed with
                   |-Wa,--noexecstack           |-Wa,--noexecstack
                   |-Wa,--noexecstack           |-Wa,--noexecstack since
                   |                            |r10-6807-gf1a681a174cdfb82

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Started with r10-6807-gf1a681a174cdfb82. One can reproduce with:

$ gcc foo.c -c -flto && gcc -fPIE -Wa,--noexecstack -Wa,--noexecstack foo.o -o
a.out -Wa,--execstack  -Wa,--execstack -Wa,--execstack -Wa,--execstack
-Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack
-Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack
/usr/bin/ld: error: lto-wrapper failed
collect2: error: ld returned 1 exit status

==14211== Invalid write of size 1
==14211==    at 0x483B98C: strcat (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==14211==    by 0x408A08: run_gcc(unsigned int, char**) (lto-wrapper.c:1320)
==14211==    by 0x4057C5: main (lto-wrapper.c:1981)
==14211==  Address 0x1fff001000 is not stack'd, malloc'd or (recently) free'd