codegen: fix setfield! error message emission

vtjnash · KristofferC · commit 0d79b95a026d · 2021-10-19T14:24:56.000+02:00
(cherry picked from commit a11d804)
diff --git a/src/cgutils.cpp b/src/cgutils.cpp
@@ -3280,7 +3280,7 @@ static jl_cgval_t emit_setfield(jl_codectx_t &ctx,
         const jl_cgval_t *modifyop, const std::string &fname)
 {
     if (!sty->name->mutabl && checked) {
-        std::string msg = fname + "immutable struct of type "
+        std::string msg = fname + ": immutable struct of type "
             + std::string(jl_symbol_name(sty->name->name))
             + " cannot be changed";
         emit_error(ctx, msg);

Original file line number	Diff line number	Diff line change
`@@ -3280,7 +3280,7 @@ static jl_cgval_t emit_setfield(jl_codectx_t &ctx,`
`3280`	`3280`	`const jl_cgval_t *modifyop, const std::string &fname)`
`3281`	`3281`	`{`
`3282`	`3282`	`if (!sty->name->mutabl && checked) {`
`3283`		`- std::string msg = fname + "immutable struct of type "`
	`3283`	`+ std::string msg = fname + ": immutable struct of type "`
`3284`	`3284`	`+ std::string(jl_symbol_name(sty->name->name))`
`3285`	`3285`	`+ " cannot be changed";`
`3286`	`3286`	`emit_error(ctx, msg);`