WaE: unreachable code

Noticed during inlining at link-time code generation phase: The called
function always throws. So let's hardcode the throw for now then at
the callsite instead. Not ideal, I know. Add comments describing what
is going on.

Change-Id: I60d14b25aa62846fc0314aad7e00b2990f4cff26

scaddins/source/analysis/analysishelper.cxx

@@ -1068,6 +1068,8 @@ double GetOddfprice( sal_Int32 /*nNullDate*/, sal_Int32 /*nSettle*/, sal_Int32 /
     sal_Int32 /*nFirstCoup*/, double /*fRate*/, double /*fYield*/, double /*fRedemp*/, sal_Int32 /*nFreq*/,
     sal_Int32 /*nBase*/ ) throw( uno::RuntimeException, lang::IllegalArgumentException )
 {
+    // If you ever change this to not unconditionally throw, adapt
+    // getOddfprice() (note lower-case 'g') in financial.cxx.
     throw uno::RuntimeException();  // #87380#
 }
 
@@ -1151,6 +1153,8 @@ double GetOddfyield( sal_Int32 /*nNullDate*/, sal_Int32 /*nSettle*/, sal_Int32 /
     sal_Int32 /*nFirstCoup*/, double /*fRate*/, double /*fPrice*/, double /*fRedemp*/, sal_Int32 /*nFreq*/,
     sal_Int32 /*nBase*/ ) throw( uno::RuntimeException, lang::IllegalArgumentException )
 {
+    // Ditto here, if you change this to not throw unconditionally,
+    // adapt getOddfyield() in financial.cxx.
     throw uno::RuntimeException();  // #87380#
 }
 

scaddins/source/analysis/financial.cxx

@@ -403,8 +403,20 @@ double SAL_CALL AnalysisAddIn::getOddfprice( const css::uno::Reference< css::bea
     if( fRate < 0.0 || fYield < 0.0 || CHK_Freq || nMat <= nFirstCoup || nFirstCoup <= nSettle || nSettle <= nIssue )
         throw css::lang::IllegalArgumentException();
 
+#if !(defined(_MSC_VER) && defined(ENABLE_LTO))
     double fRet = GetOddfprice( GetNullDate( xOpt ), nSettle, nMat, nIssue, nFirstCoup, fRate, fYield, fRedemp, nFreq, getDateMode( xOpt, rOB ) );
     RETURN_FINITE( fRet );
+#else
+    // During link-time optimization the compiler inlines the above
+    // call to GetOddfprice() (note upper-case 'G') (from
+    // analysishelper.cxx), and notices that GetOddfprice() always
+    // throws, so the assignment and return are unreachable. Avoid
+    // that warning by throwing directly here.
+    (void) rOB;
+    (void) fRedemp;
+    (void) xOpt;
+    throw css::uno::RuntimeException();
+#endif
 }
 
 
@@ -415,9 +427,17 @@ double SAL_CALL AnalysisAddIn::getOddfyield( const css::uno::Reference< css::bea
     if( fRate < 0.0 || fPrice <= 0.0 || CHK_Freq || nMat <= nFirstCoup || nFirstCoup <= nSettle || nSettle <= nIssue )
         throw css::lang::IllegalArgumentException();
 
+#if !(defined(_MSC_VER) && defined(ENABLE_LTO))
     double fRet = GetOddfyield( GetNullDate( xOpt ), nSettle, nMat, nIssue, nFirstCoup, fRate, fPrice, fRedemp, nFreq,
                         getDateMode( xOpt, rOB ) );
     RETURN_FINITE( fRet );
+#else
+    // Same story here, see comment in getOddfprice()
+    (void) rOB;
+    (void) fRedemp;
+    (void) xOpt;
+    throw css::uno::RuntimeException();
+#endif
 }