[llvm-bugs] [Bug 24415] New: Post dom tree incorrectly returns NULL as root node

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=24415

            Bug ID: 24415
           Summary: Post dom tree incorrectly returns NULL as  root node
           Product: libraries
           Version: trunk
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Global Analyses
          Assignee: unassignedbugs at nondot.org
          Reporter: karthikthecool at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

For the below mentioned code. The getRootNode function of postdom tree
incorrectly returns NULL.

void foo() {
  while(1);
}

getRootNode function in Post dom tree seems to be broken as mentioned by Daniel
in the review http://reviews.llvm.org/D11143ttp://reviews.llvm.org/D11143

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