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Remove "-C link-dead-code=y" flag 

sysroot no longer builds with this flag.

LLVM ERROR: Cannot select: 0x7f7c39be9b48: v8i8 = AArch64ISD::VSLI 0x7f7c39696120, 0x7f7c39693fc8, 0x7f7c39d86528, prebuilts/rust/linux-x86/1.50.0/src/stdlibs/library/core/src/../../stdarch/crates/core_arch/src/aarch64/neon/mod.rs:2324:5
  0x7f7c39696120: v8i8,ch = CopyFromReg 0x7f7c420b1c98, Register:v8i8 %13, prebuilts/rust/linux-x86/1.50.0/src/stdlibs/library/core/src/../../stdarch/crates/core_arch/src/aarch64/neon/mod.rs:2324:5
    0x7f7c39be90e8: v8i8 = Register %13
  0x7f7c39693fc8: v8i8,ch = load<(dereferenceable load 8 from %ir.b)> 0x7f7c420b1c98, 0x7f7c39694510, undef:i64, prebuilts/rust/linux-x86/1.50.0/src/stdlibs/library/core/src/../../stdarch/crates/core_arch/src/aarch64/neon/mod.rs:2324:19
    0x7f7c39694510: i64,ch = CopyFromReg 0x7f7c420b1c98, Register:i64 %17, prebuilts/rust/linux-x86/1.50.0/src/stdlibs/library/core/src/../../stdarch/crates/core_arch/src/aarch64/neon/mod.rs:2324:19
      0x7f7c39be52d8: i64 = Register %17
    0x7f7c39bea230: i64 = undef
  0x7f7c39d86528: i32,ch = CopyFromReg 0x7f7c420b1c98, Register:i32 %18, prebuilts/rust/linux-x86/1.50.0/src/stdlibs/library/core/src/../../stdarch/crates/core_arch/src/aarch64/neon/mod.rs:2324:5
    0x7f7c39be5ea0: i32 = Register %18
In function: _RNvNtNtNtCsfOHkQPwunBC_4core9core_arch7aarch644neon9vsli_n_s8B7_
11:40:52 ninja failed with: exit status 1

Bug: 147140513
Test: build/run local rust_fuzz executable with asan+sancov.
Change-Id: I00c81f25f562bb9f18169a199eaf95ebeb7dbbe6
This commit is contained in:
Tri Vo 2021-03-17 17:52:06 -07:00
parent b96a04ba49
commit 7af79fb49b
1 changed files with 0 additions and 1 deletions
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1
rust/sanitize.go
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@ -46,7 +46,6 @@ var fuzzerFlags = []string{
"-C llvm-args=-sanitizer-coverage-trace-geps",
"-C llvm-args=-sanitizer-coverage-prune-blocks=0",
"-C llvm-args=-sanitizer-coverage-pc-table",
"-C link-dead-code=y",
"-Z sanitizer=address",
// Sancov breaks with lto