commit 32e351179eacfc84f64cd5029e221582d400bb38
author Bram Moolenaar <Bram@vim.org> Thu May 14 22:41:15 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Thu May 14 22:41:15 2020 +0200
tree f82085603b8f50db86eed7c2d39f9922aa35eebd
parent e06a28f5e30f439545ac125d54ffc4e6bd6daada

patch 8.2.0753: Vim9: expressions are evaluated in the discovery phase

Problem:    Vim9: expressions are evaluated in the discovery phase.
Solution:   Bail out if an expression is not a constant.  Require a type for
            declared constants.

src/evalfunc.c

diff --git a/src/evalfunc.c b/src/evalfunc.c
index 7579208..2979611 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -2132,7 +2132,7 @@
 	s = skipwhite(s);
 
     p = s;
-    if (s == NULL || eval1(&s, rettv, TRUE) == FAIL)
+    if (s == NULL || eval1(&s, rettv, EVAL_EVALUATE) == FAIL)
     {
 	if (p != NULL && !aborting())
 	    semsg(_(e_invexpr2), p);