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Don't register the destructors if the list is empty

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6909 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-06-26 04:20:38 +00:00
parent bc601fe3e7
commit 5d243c2fa5
1 changed files with 6 additions and 2 deletions
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8
runtime/GCCLibraries/crtend/crtend.c
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@ -34,8 +34,12 @@ void __main(void) {
/* Loop over all of the constructor records, calling each function pointer. */
TorRec *R = __llvm_getGlobalCtors();
if (atexit(run_destructors))
abort(); /* Should be able to install ONE atexit handler! */
/* Only register the global dtor handler if there is at least one global
* dtor!
*/
if (__llvm_getGlobalDtors()[0].FP)
if (atexit(run_destructors))
abort(); /* Should be able to install ONE atexit handler! */
/* FIXME: This should sort the list by priority! */
for (; R->FP; ++R)