Fix crashing on expr 'var = {CLOBBER};', because location of such expression has NULL filename

jirfag · jirfag · commit 2e06d6bf5765 · 2014-06-13T18:25:39.000+04:00
diff --git a/gcc-c-api/gcc-location.c b/gcc-c-api/gcc-location.c
@@ -54,7 +54,7 @@ GCC_IMPLEMENT_PUBLIC_API (int) gcc_location_get_column (gcc_location loc)
 
 GCC_PUBLIC_API (bool) gcc_location_is_unknown (gcc_location loc)
 {
-  return UNKNOWN_LOCATION == loc.inner;
+  return UNKNOWN_LOCATION == loc.inner || !gcc_location_get_filename(loc);
 }
 
 GCC_IMPLEMENT_PUBLIC_API (bool) gcc_location_get_in_system_header (gcc_location loc)

Original file line number	Diff line number	Diff line change
`@@ -54,7 +54,7 @@ GCC_IMPLEMENT_PUBLIC_API (int) gcc_location_get_column (gcc_location loc)`
`54`	`54`
`55`	`55`	`GCC_PUBLIC_API (bool) gcc_location_is_unknown (gcc_location loc)`
`56`	`56`	`{`
`57`		`- return UNKNOWN_LOCATION == loc.inner;`
	`57`	`+ return UNKNOWN_LOCATION == loc.inner \|\| !gcc_location_get_filename(loc);`
`58`	`58`	`}`
`59`	`59`
`60`	`60`	`GCC_IMPLEMENT_PUBLIC_API (bool) gcc_location_get_in_system_header (gcc_location loc)`