Merge pull request #3295 from geky/gcc-g3

Add '-g3' flag to gcc debug flags

Author: 0xc0170

tools/profiles/debug.json

@@ -5,7 +5,7 @@
                    "-fmessage-length=0", "-fno-exceptions", "-fno-builtin",
                    "-ffunction-sections", "-fdata-sections", "-funsigned-char",
                    "-MMD", "-fno-delete-null-pointer-checks",
-                   "-fomit-frame-pointer", "-O0", "-g"],
+                   "-fomit-frame-pointer", "-O0", "-g3"],
         "asm": ["-x", "assembler-with-cpp"],
         "c": ["-std=gnu99"],
         "cxx": ["-std=gnu++98", "-fno-rtti", "-Wvla"],