[Bug tree-optimization/42944] errno misoptimization due to __attribute__ ((__const__)) on __errno_location()

[amodra at gmail dot com]

------- Comment #1 from amodra at gmail dot com  2010-02-03 03:35 -------
Created an attachment (id=19793)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=19793&action=view)
testcase


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42944