compiler: fix stack mismatch on compiling `use strict` statements

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

2 files changed, 17 insertions, 1 deletions

diff --git a/compiler.c b/compiler.c
index bbd6dbc..00079fd 100644
--- a/compiler.c
+++ b/compiler.c
@@ -1374,7 +1374,6 @@ uc_compiler_compile_constant(uc_compiler *compiler, bool assignable)
 		if (uc_compiler_is_use_strict_pragma(compiler)) {
 			fn = (uc_function_t *)compiler->function;
 			fn->strict = true;
-			break;
 		}
 
 		/* fall through */
diff --git a/tests/custom/03_bugs/20_use_strict_stack_mismatch b/tests/custom/03_bugs/20_use_strict_stack_mismatch
new file mode 100644
index 0000000..7294d23
--- /dev/null
+++ b/tests/custom/03_bugs/20_use_strict_stack_mismatch
@@ -0,0 +1,17 @@
+When compiling the `use strict` statement, the compiler omitted the
+corresponding load instruction, leading to a mismatch of the expected
+stack layout between compiler and VM.
+
+-- Expect stdout --
+1
+-- End --
+
+-- Testcase --
+{%
+	"use strict";
+
+	let x = 1;
+
+	print(x, "\n");
+%}
+-- End --