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[llvm-symbolizer] improve test and fix doc example after recent --print-source-context-lines behaviour change

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I believe that after https://reviews.llvm.org/D102355 the behaviour of --print-source-context-lines has changed.

Before: --print-source-context-lines=3 prints 4 lines.
After: --print-source-context-lines=3 prints 3 lines.

Adjust the example in the docs for this change and make the testing a little more robust.

Differential Revision: https://reviews.llvm.org/D104114
This commit is contained in:
Ben Dunbobbin 2021-06-11 13:35:04 +01:00
parent 7c0accc327
commit a74f81f967
2 changed files with 8 additions and 7 deletions
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2
docs/CommandGuide/llvm-symbolizer.rst
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@ -359,7 +359,7 @@ OPTIONS
.. code-block:: console .. code-block:: console
$ llvm-symbolizer --obj=test.elf 0x400490 --print-source-context-lines=2 $ llvm-symbolizer --obj=test.elf 0x400490 --print-source-context-lines=3
baz() baz()
/tmp/test.cpp:11:0 /tmp/test.cpp:11:0
10 : volatile int k = 42; 10 : volatile int k = 42;

13
test/tools/llvm-symbolizer/print_context.c
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@ -20,9 +20,10 @@ int main() {
// location independent. // location independent.
// CHECK: inc // CHECK: inc
// CHECK: print_context.c:3 // CHECK-NEXT: print_context.c:3
// CHECK: 1 : #include // CHECK-NEXT: 1 : #include
// CHECK: 2 : // CHECK-NEXT: 2 :
// CHECK: 3 >: int inc // CHECK-NEXT: 3 >: int inc
// CHECK: 4 : return // CHECK-NEXT: 4 : return
// CHECK: 5 : } // CHECK-NEXT: 5 : }
// CHECK-NOT: 6