[llvm-bugs] [Bug 48628] New: array assignment and automatic reallocation

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=48628

            Bug ID: 48628
           Summary: array assignment and automatic reallocation
           Product: flang
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: unassignedbugs at nondot.org
          Reporter: howisjw at hotmail.com
                CC: David.Truby at arm.com, jperier at nvidia.com,
                    kirankumartp at gmail.com, llvm-bugs at lists.llvm.org,
                    sscalpone at nvidia.com

Created attachment 24322
  --> https://bugs.llvm.org/attachment.cgi?id=24322&action=edit
Example of array assignment bug

Hello,

In certain circumstances of an array assignment an automatic reallocation is
triggered while it should not. In my case it was constructing a complex array
based on a real array multiplied with a constant. The attachment contains a
simple example of the bug.

Furthermore, I have a question. Are there any plans to add a compiler flag to 
disable the reallocation of the left-hand-side and runtime bounds checking?
There are very useful for debugging.

Best regards,
   Jan-Willem

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