Suppress variable-clobbered-by-longjmp warning seen with older gcc versions.

diff --git a/src/backend/utils/misc/guc-file.l b/src/backend/utils/misc/guc-file.l
index c6c15584754a9f9e286d55f9aad53d5c19deba1b..1a5e383b15081e4790532c2d186d8ad98f20f6bd 100644 (file)
--- a/src/backend/utils/misc/guc-file.l
+++ b/src/backend/utils/misc/guc-file.l
@@ -487,7 +487,7 @@ bool
 ParseConfigFp(FILE *fp, const char *config_file, int depth, int elevel,
              ConfigVariable **head_p, ConfigVariable **tail_p)
 {
-   bool        OK = true;
+   volatile bool OK = true;
    unsigned int save_ConfigFileLineno = ConfigFileLineno;
    sigjmp_buf *save_GUC_flex_fatal_jmp = GUC_flex_fatal_jmp;
    sigjmp_buf  flex_fatal_jmp;