summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.dg/Wjump-misses-init-1.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/testsuite/gcc.dg/Wjump-misses-init-1.c')
-rw-r--r--gcc/testsuite/gcc.dg/Wjump-misses-init-1.c156
1 files changed, 156 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/Wjump-misses-init-1.c b/gcc/testsuite/gcc.dg/Wjump-misses-init-1.c
new file mode 100644
index 000000000..86117f1f2
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/Wjump-misses-init-1.c
@@ -0,0 +1,156 @@
+/* { dg-do compile } */
+/* { dg-options "-Wjump-misses-init" } */
+int
+f1 (int a)
+{
+ if (a > 0)
+ {
+ int i = 7; /* { dg-message "here" } */
+ lab: /* { dg-message "here" } */
+ return a;
+ }
+ else
+ {
+ if (a < 0)
+ goto lab; /* { dg-warning "jump" } */
+ return 1;
+ }
+}
+
+int
+f2 (int a)
+{
+ if (a > 0)
+ {
+ if (a < 0)
+ goto lab; /* { dg-warning "jump" } */
+ return 1;
+ }
+ else
+ {
+ int i = 7; /* { dg-message "here" } */
+ lab: /* { dg-message "here" } */
+ return a;
+ }
+}
+
+int
+f3 (int a)
+{
+ if (a > 0)
+ {
+ static int i = 7;
+ lab:
+ return a;
+ }
+ else
+ {
+ if (a < 0)
+ goto lab;
+ return 1;
+ }
+}
+
+int
+f4 (int a)
+{
+ if (a > 0)
+ {
+ if (a < 0)
+ goto lab;
+ return 1;
+ }
+ else
+ {
+ static int i = 7;
+ lab:
+ return a;
+ }
+}
+
+int
+f5 (int a)
+{
+ if (a > 0)
+ {
+ int b = 1;
+ if (a < 0)
+ goto lab;
+ }
+ lab:
+ return a;
+}
+
+int
+f6 (int a)
+{
+ if (a > 0)
+ {
+ lab:
+ return a;
+ }
+ else
+ {
+ int b = 1;
+ goto lab;
+ }
+}
+
+int
+f7 (int a)
+{
+ switch (a) /* { dg-message "switch" } */
+ {
+ int b = 1; /* { dg-message "here" } */
+
+ case 1: /* { dg-warning "jump" } */
+ return a;
+ }
+}
+
+int
+f8 (int a)
+{
+ switch (a) /* { dg-message "switch" } */
+ {
+ int b = 1; /* { dg-message "here" } */
+
+ case 1: /* { dg-warning "jump" } */
+ goto lab;
+ }
+ lab:
+ return a;
+}
+
+int
+f9 (int a)
+{
+ switch (a)
+ {
+ case 0:
+ {
+ int b = 1;
+ return b;
+ }
+ case 1:
+ return a;
+ }
+}
+
+int
+f10 (int a)
+{
+ switch (a)
+ {
+ case 0:
+ {
+ int b = 1;
+ goto lab;
+ }
+
+ case 1:
+ goto lab;
+ }
+ lab:
+ return a;
+}