compiler: properly treat property names after spread expressions

Ensure that unquoted property names following spread expressions in object
declaration literals are not treated as keywords.

Prior to this fix, an expression such as `{ ...someobj, default: 1 }` would
result in a compile time syntax error.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/custom/99_bugs/47_compiler_no_prop_kw_after_spread b/tests/custom/99_bugs/47_compiler_no_prop_kw_after_spread
new file mode 100644
index 0000000..26f1bff
--- /dev/null
+++ b/tests/custom/99_bugs/47_compiler_no_prop_kw_after_spread
@@ -0,0 +1,17 @@
+Ensure that unquoted property names following spread expressions in object
+declaration literals are not treated as keywords.
+
+-- Testcase --
+{%
+printf("%.J\n", {
+	...{},
+	for: true
+});
+%}
+-- End --
+
+-- Expect stdout --
+{
+	"for": true
+}
+-- End --