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Bug in matrix times subarray with decreasing index #30765

@abelsiqueira

Description

@abelsiqueira

The code speak for itself

A = ones(2,2)
v = [1.0; 2.0]
A * v # [3.0; 3.0]
A * v[2:-1:1] # [3.0; 3.0]
A * view(v, 2:-1:1) # [2.0; 2.0] ????

Version info:

Julia Version 1.0.3
Commit 099e826241 (2018-12-18 01:34 UTC)
Platform Info:
  OS: Linux (x86_64-pc-linux-gnu)
  CPU: Intel(R) Core(TM) i7-7500U CPU @ 2.70GHz
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-6.0.0 (ORCJIT, skylake)

and also with 1.1.0-rc2

Julia Version 1.1.0-rc2.0
Commit 980eda064e (2019-01-13 00:19 UTC)

First posted in discourse.

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