------- Comment From berg...@us.ibm.com 2024-04-10 16:19 EDT-------
Confirmed.  This seems to fail for gcc12 and later and passes for gcc11 and 
earlier.  I have confirmed that the source file that is mis-compiled is 
src/sha2.c.
Compiling the entire package with -O2 and sha2.c with -O3 shows the error, as 
well as compiling the entire package with -O3 and sha2.c with -O2 it passes.

Given we have a known good gcc version and a known bad version, we
should be able to git bisect gcc to identify the commit that causes the
failure.

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https://bugs.launchpad.net/bugs/2033405

Title:
  Wrong sha256 sum on ppc64el (compiled with -O3)

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