[Git][freetype/freetype][master] [smooth] Fix GCC LTO crashes on Windows.

[Alexei Podtelezhnikov (@apodtele)]

Alexei Podtelezhnikov pushed to branch master at FreeType / FreeType

Commits:

• 4fef1fce
  by Alexei Podtelezhnikov at 2022-06-10T11:34:56-04:00

  [smooth] Fix GCC LTO crashes on Windows.
  
  Fixes #1164 by using a volatile variable around `setjmp`.  It is hard to
  say how this fixes crashes related to certain link-time optimizations.
  This does not decrease the rendering performance.
  
  * src/smooth/ftgrays.c (gray_convert_glyph_inner): Use volatile `error`.
  

1 changed file:

• src/smooth/ftgrays.c

Changes:

src/smooth/ftgrays.c

---

...	...	@@ -1912,7 +1912,7 @@ typedef ptrdiff_t FT_PtrDist;
1912	1912	gray_convert_glyph_inner( RAS_ARG_
1913	1913	int continued )
1914	1914	{
1915		- int error;
	1915	+ volatile int error;
1916	1916
1917	1917
1918	1918	if ( ft_setjmp( ras.jump_buffer ) == 0 )

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