Move the assertion that VCL_INT always fits PCRE2_SIZE into the event function.

src/vmod_pcre2.c

@@ -154,6 +154,15 @@ event(VRT_CTX, struct vmod_priv *priv, enum vcl_event_e e)
 		int ret;
 		uint32_t where;
 
+		/*
+		 * A VCL_INT must never be larger than PCRE2_SIZE_MAX, so
+		 * that some assignments from INT params cannot be out of
+		 * range.
+		 * XXX: C11 static_assert would catch this at compile
+		 * time.
+		 */
+		assert(sizeof(VCL_INT) <= sizeof(PCRE2_SIZE));
+
 		ret = pcre2_config(PCRE2_CONFIG_JIT, &where);
 		assert(ret >= 0);
 		have_jit = where;
@@ -224,11 +233,6 @@ vmod_regex__init(VRT_CTX, struct vmod_pcre2_regex **regexp,
 		     vcl_name);
 		return;
 	}
-	/*
-	 * assert that a VCL_INT can never be larger than PCRE2_SIZE_MAX,
-	 * to assume that max_pattern_len can never be too large.
-	 */
-	assert(sizeof(VCL_INT) <= sizeof(PCRE2_SIZE));
 	if (max_pattern_length < 0) {
 		VERR(ctx, "max_pattern_len (%lld) must be >= 0 in %s "
 		     "constructor", (long long)max_pattern_length, vcl_name);