Merge pull request #8941 from timotheecour/pr_fix_8928

fix #8928 regression

lib/system.nim

@@ -3784,8 +3784,11 @@ template assertImpl(cond: bool, msg = "", enabled: static[bool]) =
   bind instantiationInfo
   mixin failedAssertImpl
   when enabled:
-    if not cond:
-      failedAssertImpl(loc & " `" & astToStr(cond) & "` " & msg)
+    # for stacktrace; fixes #8928 ; Note: `fullPaths = true` is correct
+    # here, regardless of --excessiveStackTrace
+    {.line: instantiationInfo(fullPaths = true).}:
+      if not cond:
+        failedAssertImpl(loc & " `" & astToStr(cond) & "` " & msg)
 
 template assert*(cond: bool, msg = "") =
   ## Raises ``AssertionError`` with `msg` if `cond` is false. Note

tests/assert/tfailedassert_stacktrace.nim

@@ -0,0 +1,19 @@
+discard """
+  output: '''
+tfailedassert_stacktrace.nim(16) tfailedassert_stacktrace
+tfailedassert_stacktrace.nim(15) foo
+system.nim(3777)         failedAssertImpl
+system.nim(3770)         raiseAssert
+system.nim(2817)         sysFatal
+'''
+"""
+
+
+
+try:
+  proc foo() =
+    assert(false)
+  foo()
+except AssertionError:
+  let e = getCurrentException()
+  echo e.getStackTrace