[Lldb-commits] [lldb] [lldb] Convert file address to load address when reading memory for DW_OP_piece (PR #116411)

[LLVM Continuous Integration via lldb-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-aarch64-ubuntu` running on `linaro-lldb-aarch64-ubuntu` while building `lldb` at step 6 "test".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/59/builds/8419

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test) failure: build (failure)
...
PASS: lldb-shell :: Subprocess/fork-follow-parent-wp.test (1561 of 2051)
UNSUPPORTED: lldb-shell :: SymbolFile/DWARF/TestDedupWarnings.test (1562 of 2051)
PASS: lldb-shell :: SymbolFile/Breakpad/unwind-via-stack-win.test (1563 of 2051)
UNSUPPORTED: lldb-shell :: SymbolFile/DWARF/clang-ast-from-dwarf-objc-property.m (1564 of 2051)
PASS: lldb-shell :: SymbolFile/DWARF/anon_class_w_and_wo_export_symbols.ll (1565 of 2051)
PASS: lldb-shell :: SymbolFile/DWARF/clang-ast-from-dwarf-unamed-and-anon-structs.cpp (1566 of 2051)
PASS: lldb-shell :: SymbolFile/DWARF/DW_AT_range-DW_FORM_sec_offset.s (1567 of 2051)
PASS: lldb-shell :: SymbolFile/DWARF/clang-gmodules-type-lookup.c (1568 of 2051)
PASS: lldb-shell :: SymbolFile/DWARF/debug-types-mangled-name.ll (1569 of 2051)
UNSUPPORTED: lldb-shell :: SymbolFile/DWARF/deterministic-build.cpp (1570 of 2051)
FAIL: lldb-shell :: SymbolFile/DWARF/DW_OP_piece-O3.c (1571 of 2051)
******************** TEST 'lldb-shell :: SymbolFile/DWARF/DW_OP_piece-O3.c' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 8: /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang --target=specify-a-target-or-use-a-_host-substitution --target=aarch64-unknown-linux-gnu -pthread -fmodules-cache-path=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/module-cache-clang/lldb-shell -O3 -gdwarf /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/Shell/SymbolFile/DWARF/DW_OP_piece-O3.c -o /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/tools/lldb/test/Shell/SymbolFile/DWARF/Output/DW_OP_piece-O3.c.tmp
+ /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang --target=specify-a-target-or-use-a-_host-substitution --target=aarch64-unknown-linux-gnu -pthread -fmodules-cache-path=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/module-cache-clang/lldb-shell -O3 -gdwarf /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/Shell/SymbolFile/DWARF/DW_OP_piece-O3.c -o /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/tools/lldb/test/Shell/SymbolFile/DWARF/Output/DW_OP_piece-O3.c.tmp
clang: warning: argument unused during compilation: '-fmodules-cache-path=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/module-cache-clang/lldb-shell' [-Wunused-command-line-argument]
RUN: at line 9: /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/lldb --no-lldbinit -S /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/tools/lldb/test/Shell/lit-lldb-init-quiet /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/tools/lldb/test/Shell/SymbolFile/DWARF/Output/DW_OP_piece-O3.c.tmp    -o "b 22"    -o "r"    -o "p/x array[2]"    -b | /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/FileCheck /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/Shell/SymbolFile/DWARF/DW_OP_piece-O3.c
+ /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/lldb --no-lldbinit -S /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/tools/lldb/test/Shell/lit-lldb-init-quiet /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/tools/lldb/test/Shell/SymbolFile/DWARF/Output/DW_OP_piece-O3.c.tmp -o 'b 22' -o r -o 'p/x array[2]' -b
+ /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/FileCheck /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/Shell/SymbolFile/DWARF/DW_OP_piece-O3.c
/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/Shell/SymbolFile/DWARF/DW_OP_piece-O3.c:16:11: error: CHECK: expected string not found in input
// CHECK: (char) 0x03
          ^
<stdin>:19:20: note: scanning from here
(lldb) p/x array[2]
                   ^
<stdin>:20:1: note: possible intended match here
(char) 0x02
^

Input file: <stdin>
Check file: /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/Shell/SymbolFile/DWARF/DW_OP_piece-O3.c

-dump-input=help explains the following input dump.

Input was:
<<<<<<
            .
            .
            .
           14:  20 int main(void) { 
           15:  21 array[2]++; 
           16: -> 22 return 0; 
           17:  ^ 
           18:  23 } 
           19: (lldb) p/x array[2] 
check:16'0                        X error: no match found

```

</details>

https://github.com/llvm/llvm-project/pull/116411