testcase for PR4590

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76868 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/FrontendC/2009-07-22-StructLayout.c b/test/FrontendC/2009-07-22-StructLayout.c
new file mode 100644 (file)
index 0000000..74904da
--- /dev/null
+++ b/test/FrontendC/2009-07-22-StructLayout.c
@@ -0,0 +1,34 @@
+// RUN: %llvmgcc %s -S -o /dev/null
+// PR4590
+
+typedef unsigned char __u8;
+typedef unsigned int __le32;
+typedef unsigned int __u32;
+typedef unsigned short __le16;
+typedef unsigned short __u16;
+
+struct usb_cdc_ether_desc {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubType;
+
+ __u8 iMACAddress;
+ __le32 bmEthernetStatistics;
+ __le16 wMaxSegmentSize;
+ __le16 wNumberMCFilters;
+ __u8 bNumberPowerFilters;
+} __attribute__ ((packed));
+
+
+static struct usb_cdc_ether_desc ecm_desc __attribute__ ((__section__(".init.data"))) = {
+ .bLength = sizeof ecm_desc,
+ .bDescriptorType = ((0x01 << 5) | 0x04),
+ .bDescriptorSubType = 0x0f,
+
+
+
+ .bmEthernetStatistics = (( __le32)(__u32)(0)),
+ .wMaxSegmentSize = (( __le16)(__u16)(1514)),
+ .wNumberMCFilters = (( __le16)(__u16)(0)),
+ .bNumberPowerFilters = 0,
+};