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[MC] Emit an error if cfi_startproc is used before a symbol is defined.

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Currently, we bind those directives with the last symbol, so if none
has been defined, this would lead to a crash of the compiler.

<rdar://problem/15939159>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206236 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Quentin Colombet
2014-04-15 01:17:45 +00:00
parent e8603c43f2
commit 67ed710684
5 changed files with 23 additions and 0 deletions
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1
test/MC/MachO/debug_frame.s
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@@ -3,6 +3,7 @@
// Make sure MC can handle file level .cfi_startproc and .cfi_endproc that creates
// an empty frame.
// rdar://10017184
_proc:
.cfi_startproc
.cfi_endproc