[Bug analyzer/108704] [13 Regression] Many -Wanalyzer-use-of-uninitialized-value false positives seen in qemu's softfloat.c

[dmalcolm at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108704

--- Comment #2 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Adding -fno-analyzer-state-purge fixes the false positive, looks like it's
erroneously pruning the value of fp0 immediately after the first assignment.