[Bug testsuite/103264] [12 regression] gcc.dg/tree-prof/merge_block.c fails after r12-5236

[hubicka at kam dot mff.cuni.cz via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103264

--- Comment #1 from hubicka at kam dot mff.cuni.cz ---
What breaks in the testcase is updating profile after complete loop
unroling.  I suspect the unrolling is enabled by the extra DSE.