diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/opt/switch4.C')
-rw-r--r-- | gcc/testsuite/g++.dg/opt/switch4.C | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/switch4.C b/gcc/testsuite/g++.dg/opt/switch4.C new file mode 100644 index 000000000..1542f310c --- /dev/null +++ b/gcc/testsuite/g++.dg/opt/switch4.C @@ -0,0 +1,31 @@ +// { dg-do compile } +// { dg-options "-fshort-enums -w" } + +// PR c++/20008 + +// We failed to compile this because CFG cleanup left the switch +// statement intact, whereas expand_case expected at least one +// in-range case to remain. + +typedef enum _SECStatus { + SECWouldBlock = -2, + SECFailure = -1, + SECSuccess = 0 +} SECStatus; + +typedef enum { + SEC_ERROR_BAD_SIGNATURE = (-0x2000) + 10 +} SECErrorCodes; + +void g(void); +void f(SECStatus status) +{ + switch( status ) + { + case SEC_ERROR_BAD_SIGNATURE : + // This case can be optimized away in C++ (but apparently not in + // C), because the enum type is defined with a narrow range. + g(); + break ; + } +} |