[PATCH] intprops: minor clarification of code

[Paul Eggert]

* lib/intprops.h (_GL_BINARY_OP_OVERFLOW):
Use _GL_INT_CONVERT rather than reinventing it.
---
 ChangeLog      | 6 ++++++
 lib/intprops.h | 4 ++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index cc3a8581a..8d6f99f53 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2018-09-07  Paul Eggert  <address@hidden>
+
+       intprops: minor clarification of code
+       * lib/intprops.h (_GL_BINARY_OP_OVERFLOW):
+       Use _GL_INT_CONVERT rather than reinventing it.
+
 2018-09-07  Bruno Haible  <address@hidden>
 
        Fix a comment.
diff --git a/lib/intprops.h b/lib/intprops.h
index a4be30b8d..9702aec4c 100644
--- a/lib/intprops.h
+++ b/lib/intprops.h
@@ -342,8 +342,8 @@
    Arguments should be free of side effects.  */
 #define _GL_BINARY_OP_OVERFLOW(a, b, op_result_overflow)        \
   op_result_overflow (a, b,                                     \
-                      _GL_INT_MINIMUM ((1 ? 0 : (b)) + (a)),    \
-                      _GL_INT_MAXIMUM ((1 ? 0 : (b)) + (a)))
+                      _GL_INT_MINIMUM (_GL_INT_CONVERT (a, b)), \
+                      _GL_INT_MAXIMUM (_GL_INT_CONVERT (a, b)))
 
 /* Store the low-order bits of A + B, A - B, A * B, respectively, into *R.
    Return 1 if the result overflows.  See above for restrictions.  */
-- 
2.17.1