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Commit 982e2a50 authored by Pirama Arumuga Nainar's avatar Pirama Arumuga Nainar
Browse files

Ignore deliberate free() of non-heap memory 

Bug: http://b/181927912

Clang already has -Wfree-nonheap-object but it became a default warning
with clang-r416183

Test: compile crasher.cpp
Change-Id: Ice532e9f373a628e07acd08a4fc7bfa7cf5d4e08
parent f85f3d62

debuggerd/crasher/Android.bp

+0 −1
Original line number Diff line number Diff line
@@ -13,7 +13,6 @@ cc_defaults { 
        "-Werror",

        "-O0",

        "-fstack-protector-all",

        "-Wno-free-nonheap-object",

        "-Wno-date-time",

    ],

    srcs: ["crasher.cpp"],

debuggerd/crasher/crasher.cpp

+4 −0
Original line number Diff line number Diff line
@@ -134,10 +134,14 @@ noinline int crash(int a) { 
    return a*2;

}



#pragma clang diagnostic push

#pragma clang diagnostic ignored "-Wfree-nonheap-object"



noinline void abuse_heap() {

    char buf[16];

    free(buf); // GCC is smart enough to warn about this, but we're doing it deliberately.

}

#pragma clang diagnostic pop



noinline void leak() {

    while (true) {