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-rw-r--r--runtime/GCCLibraries/crtend/crtend.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/runtime/GCCLibraries/crtend/crtend.c b/runtime/GCCLibraries/crtend/crtend.c
index 50bbdb7..58f1bf5 100644
--- a/runtime/GCCLibraries/crtend/crtend.c
+++ b/runtime/GCCLibraries/crtend/crtend.c
@@ -34,6 +34,13 @@ void __main(void) {
/* Loop over all of the constructor records, calling each function pointer. */
TorRec *R = __llvm_getGlobalCtors();
+ /* Recursively calling main is not legal C, but lots of people do it for
+ * testing stuff. We might as well work for them.
+ */
+ static _Bool Initialized = 0;
+ if (Initialized) return;
+ Initialized = 1;
+
/* Only register the global dtor handler if there is at least one global
* dtor!
*/