[PATCH][gdb/testsuite] Compile varval twice, once without bad DWARF

[Tom de Vries]

[ EOLDPATCH ]

On 24-06-19 15:18, Tom de Vries wrote:
> Hi,
> 
> When we run gdb.dwarf2/varval.exp with board cc-with-dwz, we run into:
> ...
> gdb compile failed, dwz: varval: Couldn't find DIE referenced by \
>   DW_OP_GNU_variable_value
> cc-with-tweaks.sh: dwz did not modify varval.
> UNTESTED: gdb.dwarf2/varval.exp: failed to prepare
> ...
> 
> The problem is that varval contains some bad DWARF, which has been added
> intentionally to test GDB, but that bad DWARF causes dwz to error out, which
> has the consequence that the test-case remains untested with cc-with-dwz,
> while the test-case contains also correct DWARF that does not occur in any
> other test, and which we would really like to test with board cc-with-dwz.
> 
> Fix this by compiling varval twice, once without and once with the bad DWARF,
> such that we have at least:
> ...
> PASS: gdb.dwarf2/varval.exp: print varval
> PASS: gdb.dwarf2/varval.exp: print varval2
> PASS: gdb.dwarf2/varval.exp: print constval
> PASS: gdb.dwarf2/varval.exp: print mixedval
> PASS: gdb.dwarf2/varval.exp: print pointerval
> PASS: gdb.dwarf2/varval.exp: print *pointerval
> PASS: gdb.dwarf2/varval.exp: print structval
> PASS: gdb.dwarf2/varval.exp: print untypedval
> gdb compile failed, dwz: varval: Couldn't find DIE referenced by \
>   DW_OP_GNU_variable_value
> cc-with-tweaks.sh: dwz did not modify varval.
> UNTESTED: gdb.dwarf2/varval.exp: failed to prepare
> ...
> 
> Tested on x86_64-linux.
> 
> OK for trunk?
> 
> Thanks,
> - Tom
> 


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