I just remembered that the libstdc++ ABI baselines haven't been updated
for the GCC 10 release yet. This patch corrects this for Solaris/SPARC
and x86.
Created on master with make new-abi-baseline on i386-pc-solaris2.11 and
sparc-sun-solaris2.11, bootstrapped on gcc-10 branch without regressions.
* config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
* config/abi/post/i386-solaris/amd64/baseline_symbols.txt:
Likewise.
* config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
* config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
Likewise.
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