[Bug tree-optimization/43572] [4.5/4.6 Regression] FAIL: gfortran.dg/PR19872.f execution test; formatted read - wrong numbers

[ramana at gcc dot gnu dot org]

------- Comment #18 from ramana at gcc dot gnu dot org  2010-04-16 07:46 -------
Looking at more dumps this morning with the testcase and you can see that 
in the not working case all the "tmp" variables aren't marked as being
call-clobbered.

Alias information for set_integer

Aliased symbols


tmp, UID D.1276, GFC_INTEGER_8, is addressable
tmp, UID D.1279, GFC_INTEGER_4, is addressable
.MEM, UID D.2024, void, is global, call clobbered, default def: .MEM_11(D)
tmp, UID D.1281, GFC_INTEGER_2, is addressable
tmp, UID D.1283, GFC_INTEGER_1, is addressable


whereas in the case that it was working - 

Alias information for set_integer

Aliased symbols

tmp, UID D.1276, GFC_INTEGER_8, is addressable, call clobbered
tmp, UID D.1279, GFC_INTEGER_4, is addressable, call clobbered
.MEM, UID D.2024, void, is global, call clobbered, default def: .MEM_11(D)
tmp, UID D.1281, GFC_INTEGER_2, is addressable, call clobbered
tmp, UID D.1283, GFC_INTEGER_1, is addressable, call clobbered


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43572