LuaTeX of TeXLive 2019 does not survive Sphinx tests

[Dr. Werner Fink]

Hi,

I've a bug report that luatex from TeXLive 2019 does crash during
Sphinx tests ...

 Package hyperref Warning: old toc file detected, not used; run LaTeX again.

 [1] [2] [1] [2]
 Chapter 1.
 [3] [4]
 Chapter 2.

 warning  (file img.pdf) (pdfe): invalid 13 0 R object at offset 141083
 [5<./img.png><./img1.png><./img.pdf
 warning  (pdfe): invalid 13 0 R object at offset 141083
 >]
 Program received signal SIGSEGV, Segmentation fault.
 0x0000000000527fd8 in ?? ()
 (gdb) bt
 #0  0x0000000000527fd8 in ?? ()
 #1  0x0000000000528a97 in refPdfDocument ()
 #2  0x00000000005293c6 in read_pdf_info ()
 #3  0x000000000044fdc8 in read_img ()
 #4  0x0000000000450c96 in scan_pdfximage ()
 #5  0x000000000049ab37 in do_extension ()
 #6  0x00000000004a2a99 in main_control ()
 #7  0x000000000049f124 in main_body ()
 #8  0x000000000044a9fe in main ()
 (gdb) 

the version of TeXLive 2018 does not show this.  I've requested the used
pdf/png images in the bug report to see what goes on here.

Werner

-- 
  "Having a smoking section in a restaurant is like having
          a peeing section in a swimming pool." -- Edward Burr
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