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-rw-r--r--3rdparty/libconfig/extra/gen/clangwarnings.patch21
1 files changed, 21 insertions, 0 deletions
diff --git a/3rdparty/libconfig/extra/gen/clangwarnings.patch b/3rdparty/libconfig/extra/gen/clangwarnings.patch
index 11e6028b6..0270dfc44 100644
--- a/3rdparty/libconfig/extra/gen/clangwarnings.patch
+++ b/3rdparty/libconfig/extra/gen/clangwarnings.patch
@@ -13,3 +13,24 @@ index 3595578..26444f8 100644
YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
YYUSE (yytype);
+diff --git a/scanner.c b/scanner.c
+index 60882db..8b8af33 100644
+--- a/scanner.c
++++ b/scanner.c
+@@ -21,6 +21,7 @@
+ #include <string.h>
+ #include <errno.h>
+ #include <stdlib.h>
++#include <assert.h>
+
+ /* end standard C headers. */
+
+@@ -1702,6 +1703,8 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
+ libconfig_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
+ }
+
++ assert(YY_CURRENT_BUFFER != NULL); // Fixes compiler warning -Wnull-dereference on gcc-6 and -O3
++
+ libconfig_yy_init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner);
+ libconfig_yy_load_buffer_state(yyscanner );
+ }