[Bug debug/42630] "-fcompare-debug failure (length)" with "-O1 -fvariable-expansion-in-unroller -funroll-loops"

[zsojka at seznam dot cz]

------- Comment #1 from zsojka at seznam dot cz  2010-01-06 00:41 -------
Created an attachment (id=19481)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=19481&action=view)
reduced testcase

Command line:
gcc -O1 -fvariable-expansion-in-unroller -funroll-loops -fcompare-debug -c
pr42630.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42630