use -d:nimCompilerStackraceHints in more places (#16400)

compiler/ccgexprs.nim

@@ -9,6 +9,9 @@
 
 # included from cgen.nim
 
+when defined(nimCompilerStackraceHints):
+  import std/stackframes
+
 proc getNullValueAuxT(p: BProc; orig, t: PType; obj, constOrNil: PNode,
                       result: var Rope; count: var int;
                       isConst: bool, info: TLineInfo)
@@ -2643,6 +2646,8 @@ proc exprComplexConst(p: BProc, n: PNode, d: var TLoc) =
       d.storage = OnStatic
 
 proc expr(p: BProc, n: PNode, d: var TLoc) =
+  when defined(nimCompilerStackraceHints):
+    setFrameMsg p.config$n.info & " " & $n.kind
   p.currLineInfo = n.info
 
   case n.kind