[8-2018-q4-major] Patch gcc to fix Windows paths with spaces and LTO

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89249

Signed-off-by: Frederic.Pillon <[email protected]>

Author: fpistm

patch/8-2018-q4-major/gcc_gcc_gcc.c.patch

@@ -0,0 +1,16 @@
+diff --git a/src/gcc/gcc/gcc.c b/src/gcc/gcc/gcc.c
+index a716f70..af47faf 100644
+--- a/src/gcc/gcc/gcc.c
++++ b/src/gcc/gcc/gcc.c
+@@ -7738,7 +7738,11 @@ driver::maybe_putenv_COLLECT_LTO_WRAPPER () const
+ 				    X_OK, false);
+   if (lto_wrapper_file)
+     {
++#if defined (__MINGW32__)
++      // Win32 fails to CreateProcess if spaces are escaped.
++#else
+       lto_wrapper_file = convert_white_space (lto_wrapper_file);
++#endif
+       lto_wrapper_spec = lto_wrapper_file;
+       obstack_init (&collect_obstack);
+       obstack_grow (&collect_obstack, "COLLECT_LTO_WRAPPER=",