Explicitly specify whether to emit frame pointers by default.

build/config/compiler/compiler.gni

Index: build/config/compiler/compiler.gni
diff --git a/build/config/compiler/compiler.gni b/build/config/compiler/compiler.gni
index 66c65e0550ab2b788e714662c2e401bb211a3b92..b5d67e27ee9ad7b804ec771682971666471aa1b9 100644
--- a/build/config/compiler/compiler.gni
+++ b/build/config/compiler/compiler.gni
@@ -63,6 +63,19 @@ declare_args() {
   use_pic = true
 }
 
+# Whether to emit frame pointers by default. Targets can override this to change
+# the behavior.
+if (is_mac || is_ios || is_win) {
+  emit_frame_pointers_by_default = true
+} else {
+  # Explicitly ask for frame pointers, otherwise:
+  # * Stacks may be missing for sanitizer and profiling builds.
+  # * Debug tcmalloc can crash (crbug.com/636489).
+  # * Stacks may be missing for arm64 crash dumps (crbug.com/391706).
+  emit_frame_pointers_by_default =
+      using_sanitizer || enable_profiling || is_debug || current_cpu == "arm64"
+}
+
 declare_args() {
   # Whether or not the official builds should be built with full WPO. Enabled by
   # default for the PGO and the x64 builds.