commit 9dac9b1751dd43c02470cc6a2aecaeea27abcc80
author kylo252 <59826753+kylo252@users.noreply.github.com> Sun Mar 27 20:05:17 2022 +0100
committer Bram Moolenaar <Bram@vim.org> Sun Mar 27 20:05:17 2022 +0100
tree b4f2ed0cd629c7773bbb6fee0ed6d0ec59e8eeaf
parent 3e559cd88486ffab6b6fb4e0921b4600d137a617

patch 8.2.4639: not sufficient parenthesis in preprocessor macros

Problem:    Not sufficient parenthesis in preprocessor macros.
Solution:   Add more parenthesis. (closes #10031)

src/regexp.h

diff --git a/src/regexp.h b/src/regexp.h
index 5762338..a8bc822 100644
--- a/src/regexp.h
+++ b/src/regexp.h
@@ -31,7 +31,7 @@
  * In the NFA engine: how many states are allowed
  */
 #define NFA_MAX_STATES 100000
-#define NFA_TOO_EXPENSIVE -1
+#define NFA_TOO_EXPENSIVE (-1)
 
 // Which regexp engine to use? Needed for vim_regcomp().
 // Must match with 'regexpengine'.