Steps to reproduce:
This source does not compile, Vala 0.5.7:

init
	a:array of string = {"abc", "def", "xyz"}
	for s in a
		print(s)


Stack trace:
There is a missing " in the generated C code.

Compilation failed: 2 error(s), 0 warning(s)
# valac test.gs
test.c: In function '_main':
test.c:34: error: stray '\' in program
test.c:34:40: warning: missing terminating " character
test.c:34: error: missing terminating " character
test.c:34: error: 'n' undeclared (first use in this function)
test.c:34: error: (Each undeclared identifier is reported only once
test.c:34: error: for each function it appears in.)
test.c:35: error: expected ')' before '_tmp2'
test.c:37: warning: missing sentinel in function call
test.c:37: error: expected ')' before '}' token
test.c:37: warning: format not a string literal and no format arguments
test.c:37: error: expected ';' before '}' token
error: cc exited with status 256
Compilation failed: 1 error(s), 0 warning(s)


Other information:
Note, this example did compile in Vala 0.5.1.