Bug 18013 – DMD test suite assertion failure in test_cdvecfill.d

cd dmd make -C test -f Makefile ... runnable/test_cdvecfill.d -O (-mcpu=avx -mcpu=avx2) Test failed. The logged output: ../src/dmd -conf= -m64 -Irunnable -O -odtest_results/runnable -oftest_results/runnable/test_cdvecfill_0 runnable/test_cdvecfill.d test_results/runnable/test_cdvecfill_0 Expected code sequence for load!(ubyte, 16) not found. Expected: 0x50 0x66 0x0f 0x6e 0xc7 0x66 0x0f 0x60 0xc0 0x66 0x0f 0x61 0xc0 0x66 0x0f 0x70 0xc0 0x00 0x59 0xc3 Actual: 0x55 0x48 0x8b 0xec 0x66 0x0f 0x6e 0xc7 0x66 0x0f 0x60 0xc0 0x66 0x0f 0x61 0xc0 0x66 0x0f 0x70 0xc0 0x00 0x5d 0xc3 0x00 0x55 0x48 0x8b 0xec 0x0f 0xb6 0x07 0x66 0x0f 0x6e 0xc0 0x66 0x0f 0x60 0xc0 0x66 0x0f 0x61 0xc0 0x66 0x0f 0x70 0xc0 0x00 0x5d 0xc3 0x00 0x00 0x55 0x48 0x8b 0xec 0x66 0x0f 0x6e 0xc7 0x66 0x0f 0x60 0xc0 core.exception.AssertError@runnable/test_cdvecfill.d(895): Assertion failure ---------------- ??:? _d_assertp [0xd9faa4f1] ??:? [0x84bcd81c] ??:? void rt.dmain2._d_run_main(int, char**, extern (C) int function(char[][])*).runAll().__lambda1() [0xd9fc7d5f] ??:? void rt.dmain2._d_run_main(int, char**, extern (C) int function(char[][])*).tryExec(scope void delegate()) [0xd9fc7c8f] ??:? void rt.dmain2._d_run_main(int, char**, extern (C) int function(char[][])*).runAll() [0xd9fc7d08] ??:? void rt.dmain2._d_run_main(int, char**, extern (C) int function(char[][])*).tryExec(scope void delegate()) [0xd9fc7c8f] ??:? _d_run_main [0xd9fc7bfa] ??:? [0x84bd1057] ??:? __libc_start_main [0xd8eaaf69] Arch Linux 64-bit VirtualBox guest on a Windows 10 host. Also, I had to add -fPIC to the DFLAGS in test/Makefile to get a build. Running the test suite in a 32-bit Ubuntu Linux 16.04 VirtualBox guest on the same host works fine. -fPIC was not required to get a build.

PR https://github.com/dlang/dmd/pull/7420

> Running the test suite in a 32-bit Ubuntu Linux 16.04 VirtualBox guest on the same host works fine. -fPIC was not required to get a build. Ubuntu introduced PIE-hardening in 16.10: https://wiki.ubuntu.com/Security/Features#Built_as_PIE So you won't have any issues with 16.04

Commits pushed to stable at https://github.com/dlang/dmd https://github.com/dlang/dmd/commit/345c9ddaef5e769673ccaf32f8c5d47e88685e4c Fix Issue 18013 - DMD test suite assertion failure in test_cdvecfill.d https://github.com/dlang/dmd/commit/c145cdc440332262dc4c6d0406458d24be5ea194 Merge pull request #7454 from JinShil/cdvecfill_pic Fix Issue 18013 - DMD test suite assertion failure in test_cdvecfill.d merged-on-behalf-of: Sebastian Wilzbach <[email protected]>

Commits pushed to master at https://github.com/dlang/dmd https://github.com/dlang/dmd/commit/345c9ddaef5e769673ccaf32f8c5d47e88685e4c Fix Issue 18013 - DMD test suite assertion failure in test_cdvecfill.d https://github.com/dlang/dmd/commit/c145cdc440332262dc4c6d0406458d24be5ea194 Merge pull request #7454 from JinShil/cdvecfill_pic